Frost dates by state
Wisconsin Frost Dates
Across Wisconsin's 602 cities and towns, the average last spring frost runs from April 19 in Cudahy to May 27 in Ladysmith. Average last frost elsewhere: Milwaukee Apr 26, Madison May 1 and Green Bay May 7. In 3 towns, frost is possible in any month.
Frost dates for every city and town in Wisconsin
Dates are for 32°F at the NOAA station nearest the ZIP code at each Wisconsin town's center. "Safer date" is when only 1 year in 10 still gets a frost, a good target for tomatoes and peppers.
| City | Average last frost | Safer date | Average first frost | Frost-free days |
|---|---|---|---|---|
| Abbotsford | May 11 | May 26 | Oct 1 | 143 |
| Adams | May 9 | May 23 | Oct 3 | 147 |
| Adell | May 3 | May 18 | Oct 16 | 166 |
| Albany | Apr 29 | May 14 | Oct 12 | 166 |
| Algoma | May 6 | May 20 | Oct 17 | 164 |
| Allouez | Apr 30 | May 16 | Oct 9 | 162 |
| Alma | Apr 28 | May 9 | Oct 14 | 169 |
| Alma Center | May 9 | May 23 | Oct 1 | 145 |
| Almena | May 5 | May 18 | Oct 4 | 152 |
| Almond | May 10 | May 24 | Oct 3 | 146 |
| Altoona | Apr 24 | May 7 | Oct 14 | 173 |
| Amery | May 5 | May 21 | Oct 4 | 152 |
| Amherst | May 8 | May 21 | Oct 6 | 151 |
| Amherst Junction | May 4 | May 20 | Oct 7 | 156 |
| Aniwa | May 14 | May 28 | Sep 30 | 139 |
| Antigo | May 14 | May 28 | Sep 30 | 139 |
| Appleton | May 4 | May 20 | Oct 6 | 155 |
| Arcadia | May 5 | May 19 | Oct 5 | 153 |
| Arena | May 7 | May 22 | Oct 1 | 147 |
| Argyle | Apr 27 | May 12 | Oct 14 | 170 |
| Arlington | May 4 | May 18 | Oct 6 | 155 |
| Arpin | May 5 | May 20 | Oct 5 | 153 |
| Ashland | May 20 | Jun 3 | Oct 2 | 135 |
| Ashwaubenon | Apr 30 | May 16 | Oct 9 | 162 |
| Athens | May 11 | May 26 | Oct 1 | 143 |
| Auburndale | May 5 | May 20 | Oct 5 | 153 |
| Augusta | May 7 | May 20 | Oct 1 | 147 |
| Avoca | Apr 30 | May 14 | Oct 9 | 162 |
| Bagley | Apr 28 | May 11 | Oct 12 | 167 |
| Baldwin | May 6 | May 21 | Oct 2 | 149 |
| Balsam Lake | May 6 | May 20 | Oct 4 | 151 |
| Bangor | May 9 | May 22 | Oct 1 | 145 |
| Baraboo | May 5 | May 21 | Oct 5 | 153 |
| Barneveld | May 3 | May 17 | Oct 7 | 157 |
| Barron | May 8 | May 23 | Oct 2 | 147 |
| Bay City | May 13 | May 27 | Sep 29 | 139 |
| Bayfield | May 20 | Jun 5 | Oct 8 | 141 |
| Bayside | Apr 26 | May 12 | Oct 18 | 175 |
| Bear Creek | May 4 | May 19 | Oct 6 | 155 |
| Beaver Dam | May 2 | May 16 | Oct 9 | 160 |
| Belgium | May 5 | May 22 | Oct 12 | 160 |
| Bell Center | May 3 | May 18 | Oct 7 | 157 |
| Belleville | Apr 28 | May 11 | Oct 15 | 170 |
| Bellevue | Apr 30 | May 16 | Oct 9 | 162 |
| Belmont | Apr 30 | May 13 | Oct 13 | 166 |
| Beloit | May 1 | May 16 | Oct 12 | 164 |
| Benton | Apr 26 | May 11 | Oct 15 | 172 |
| Berlin | May 1 | May 16 | Oct 8 | 160 |
| Big Bend | May 1 | May 18 | Oct 13 | 165 |
| Big Falls | May 4 | May 19 | Oct 6 | 155 |
| Birchwood | Frost possible any month | |||
| Birnamwood | May 14 | May 28 | Sep 30 | 139 |
| Biron | May 9 | May 24 | Sep 30 | 144 |
| Black Creek | May 4 | May 20 | Oct 6 | 155 |
| Black Earth | May 7 | May 22 | Oct 1 | 147 |
| Black River Falls | May 9 | May 23 | Oct 1 | 145 |
| Blair | May 9 | May 23 | Oct 1 | 145 |
| Blanchardville | May 3 | May 19 | Oct 4 | 154 |
| Bloomer | May 5 | May 19 | Oct 3 | 151 |
| Bloomfield | Apr 30 | May 16 | Oct 13 | 166 |
| Bloomington | Apr 27 | May 11 | Oct 11 | 167 |
| Blue Mounds | May 7 | May 22 | Oct 1 | 147 |
| Blue River | May 3 | May 18 | Oct 7 | 157 |
| Boaz | May 5 | May 19 | Oct 6 | 154 |
| Bonduel | May 9 | May 24 | Oct 2 | 146 |
| Boscobel | May 3 | May 18 | Oct 7 | 157 |
| Bowler | May 13 | May 26 | Sep 30 | 140 |
| Boyceville | May 10 | May 26 | Sep 29 | 142 |
| Boyd | May 7 | May 21 | Oct 3 | 149 |
| Brandon | May 1 | May 14 | Oct 11 | 163 |
| Brillion | May 6 | May 21 | Oct 6 | 153 |
| Bristol | Apr 28 | May 13 | Oct 19 | 174 |
| Brodhead | Apr 29 | May 14 | Oct 12 | 166 |
| Brookfield | Apr 26 | May 12 | Oct 18 | 175 |
| Brooklyn | Apr 30 | May 15 | Oct 11 | 164 |
| Brown Deer | Apr 26 | May 12 | Oct 18 | 175 |
| Brownsville | May 1 | May 17 | Oct 10 | 162 |
| Browntown | Apr 27 | May 12 | Oct 14 | 170 |
| Bruce | May 9 | May 27 | Sep 29 | 143 |
| Buffalo City | Apr 23 | May 6 | Oct 16 | 176 |
| Burlington | May 5 | May 23 | Oct 9 | 157 |
| Butler | Apr 26 | May 12 | Oct 18 | 175 |
| Butternut | May 22 | Jun 4 | Sep 24 | 125 |
| Cadott | May 7 | May 21 | Oct 3 | 149 |
| Caledonia | Apr 24 | May 10 | Oct 24 | 183 |
| Cambria | May 6 | May 22 | Oct 2 | 149 |
| Cambridge | Apr 29 | May 13 | Oct 14 | 168 |
| Cameron | May 8 | May 23 | Oct 2 | 147 |
| Camp Douglas | May 2 | May 15 | Oct 7 | 158 |
| Campbellsport | Apr 27 | May 11 | Oct 19 | 175 |
| Cascade | May 3 | May 18 | Oct 16 | 166 |
| Casco | May 1 | May 17 | Oct 18 | 170 |
| Cashton | Apr 27 | May 11 | Oct 14 | 170 |
| Cassville | Apr 27 | May 11 | Oct 11 | 167 |
| Catawba | May 23 | Jun 6 | Sep 23 | 123 |
| Cazenovia | May 2 | May 16 | Oct 7 | 158 |
| Cecil | May 9 | May 24 | Oct 2 | 146 |
| Cedar Grove | May 5 | May 22 | Oct 12 | 160 |
| Cedarburg | Apr 23 | May 9 | Oct 24 | 184 |
| Centuria | May 6 | May 20 | Oct 4 | 151 |
| Chaseburg | Apr 22 | May 5 | Oct 17 | 178 |
| Chenequa | Apr 30 | May 17 | Oct 12 | 165 |
| Chetek | May 8 | May 23 | Oct 2 | 147 |
| Chilton | May 1 | May 17 | Oct 14 | 166 |
| Chippewa Falls | May 8 | May 21 | Oct 4 | 149 |
| Clayton | May 5 | May 21 | Oct 4 | 152 |
| Clear Lake | May 5 | May 21 | Oct 4 | 152 |
| Cleveland | May 5 | May 21 | Oct 8 | 156 |
| Clinton | Apr 30 | May 17 | Oct 10 | 163 |
| Clintonville | May 4 | May 19 | Oct 6 | 155 |
| Clyman | Apr 28 | May 13 | Oct 10 | 165 |
| Cobb | May 3 | May 17 | Oct 7 | 157 |
| Cochrane | Apr 23 | May 6 | Oct 16 | 176 |
| Colby | May 13 | May 29 | Sep 26 | 136 |
| Coleman | May 9 | May 23 | Oct 6 | 150 |
| Colfax | May 5 | May 19 | Oct 3 | 151 |
| Coloma | May 10 | May 24 | Oct 3 | 146 |
| Columbus | Apr 30 | May 15 | Oct 9 | 162 |
| Combined Locks | May 4 | May 20 | Oct 6 | 155 |
| Conrath | May 27 | Jun 8 | Sep 22 | 118 |
| Coon Valley | Apr 27 | May 12 | Oct 13 | 169 |
| Cornell | May 5 | May 21 | Oct 2 | 150 |
| Cottage Grove | Apr 30 | May 15 | Oct 11 | 164 |
| Couderay | Frost possible any month | |||
| Crandon | May 19 | Jun 2 | Sep 29 | 133 |
| Crivitz | May 26 | Jun 11 | Sep 22 | 119 |
| Cross Plains | Apr 28 | May 11 | Oct 15 | 170 |
| Cuba City | Apr 30 | May 13 | Oct 13 | 166 |
| Cudahy | Apr 19 | May 2 | Oct 29 | 193 |
| Cumberland | May 5 | May 18 | Oct 4 | 152 |
| Curtiss | May 13 | May 29 | Sep 26 | 136 |
| Dallas | May 10 | May 26 | Sep 29 | 142 |
| Dane | May 1 | May 15 | Oct 10 | 162 |
| Darien | Apr 28 | May 14 | Oct 14 | 169 |
| Darlington | May 3 | May 19 | Oct 4 | 154 |
| De Pere | Apr 30 | May 16 | Oct 9 | 162 |
| De Soto | Apr 22 | May 5 | Oct 17 | 178 |
| Deer Park | May 5 | May 21 | Oct 4 | 152 |
| Deerfield | Apr 29 | May 13 | Oct 14 | 168 |
| DeForest | May 1 | May 16 | Oct 10 | 162 |
| Delafield | Apr 30 | May 17 | Oct 12 | 165 |
| Delavan | Apr 28 | May 14 | Oct 14 | 169 |
| Denmark | May 6 | May 20 | Oct 12 | 159 |
| Dickeyville | Apr 19 | May 4 | Oct 21 | 185 |
| Dodgeville | May 3 | May 17 | Oct 7 | 157 |
| Dorchester | May 11 | May 26 | Oct 1 | 143 |
| Dousman | May 3 | May 21 | Oct 9 | 159 |
| Downing | May 10 | May 26 | Sep 29 | 142 |
| Doylestown | May 4 | May 18 | Oct 6 | 155 |
| Dresser | May 4 | May 18 | Oct 8 | 157 |
| Durand | May 1 | May 15 | Oct 10 | 162 |
| Eagle | May 3 | May 21 | Oct 9 | 159 |
| Eagle River | May 25 | Jun 6 | Sep 24 | 122 |
| East Troy | May 5 | May 23 | Oct 10 | 158 |
| Eastman | Apr 24 | May 8 | Oct 17 | 176 |
| Eau Claire | May 8 | May 21 | Oct 4 | 149 |
| Eden | Apr 27 | May 11 | Oct 19 | 175 |
| Edgar | May 6 | May 21 | Oct 4 | 151 |
| Edgerton | Apr 30 | May 15 | Oct 11 | 164 |
| Egg Harbor | May 8 | May 21 | Oct 13 | 158 |
| Eland | May 6 | May 21 | Oct 5 | 152 |
| Elderon | May 6 | May 21 | Oct 5 | 152 |
| Eleva | May 10 | May 25 | Oct 2 | 145 |
| Elk Mound | Apr 24 | May 7 | Oct 14 | 173 |
| Elkhart Lake | May 3 | May 20 | Oct 10 | 160 |
| Elkhorn | Apr 28 | May 14 | Oct 14 | 169 |
| Ellsworth | May 13 | May 27 | Sep 29 | 139 |
| Elm Grove | Apr 26 | May 12 | Oct 18 | 175 |
| Elmwood | May 1 | May 15 | Oct 10 | 162 |
| Elmwood Park | Apr 20 | May 6 | Oct 24 | 187 |
| Elroy | May 5 | May 18 | Oct 4 | 152 |
| Embarrass | May 4 | May 19 | Oct 6 | 155 |
| Endeavor | May 3 | May 18 | Oct 5 | 155 |
| Ephraim | May 14 | May 28 | Oct 18 | 157 |
| Ettrick | May 9 | May 23 | Oct 1 | 145 |
| Evansville | Apr 30 | May 15 | Oct 11 | 164 |
| Exeland | Frost possible any month | |||
| Fairchild | May 7 | May 20 | Oct 1 | 147 |
| Fairwater | May 8 | May 23 | Oct 2 | 147 |
| Fall Creek | May 7 | May 20 | Oct 1 | 147 |
| Fall River | May 1 | May 16 | Oct 11 | 163 |
| Fennimore | May 3 | May 18 | Oct 7 | 157 |
| Fenwood | May 6 | May 21 | Oct 4 | 151 |
| Ferryville | May 3 | May 18 | Oct 7 | 157 |
| Fitchburg | May 1 | May 17 | Oct 9 | 161 |
| Fond du Lac | Apr 27 | May 11 | Oct 19 | 175 |
| Fontana-on-Geneva Lake | Apr 25 | May 10 | Oct 21 | 179 |
| Footville | Apr 26 | May 11 | Oct 15 | 172 |
| Forestville | May 6 | May 20 | Oct 17 | 164 |
| Fort Atkinson | Apr 28 | May 17 | Oct 13 | 168 |
| Fountain City | May 5 | May 19 | Oct 5 | 153 |
| Fox Crossing | May 4 | May 20 | Oct 6 | 155 |
| Fox Lake | May 1 | May 16 | Oct 11 | 163 |
| Fox Point | Apr 26 | May 12 | Oct 18 | 175 |
| Francis Creek | Apr 27 | May 10 | Oct 21 | 177 |
| Franklin | May 3 | May 19 | Oct 14 | 164 |
| Frederic | May 6 | May 20 | Oct 4 | 151 |
| Fredonia | May 5 | May 22 | Oct 12 | 160 |
| Fremont | May 4 | May 19 | Oct 6 | 155 |
| Friendship | May 9 | May 23 | Oct 3 | 147 |
| Friesland | May 6 | May 22 | Oct 2 | 149 |
| Galesville | May 5 | May 19 | Oct 5 | 153 |
| Gays Mills | May 3 | May 18 | Oct 7 | 157 |
| Genoa | Apr 22 | May 5 | Oct 17 | 178 |
| Genoa City | Apr 30 | May 16 | Oct 13 | 166 |
| Germantown | May 6 | May 25 | Oct 8 | 155 |
| Gillett | May 14 | May 29 | Oct 1 | 140 |
| Gilman | May 20 | Jun 4 | Sep 23 | 126 |
| Glen Flora | May 7 | May 22 | Oct 3 | 149 |
| Glenbeulah | May 3 | May 20 | Oct 10 | 160 |
| Glendale | Apr 26 | May 12 | Oct 18 | 175 |
| Glenwood City | May 6 | May 21 | Oct 2 | 149 |
| Grafton | Apr 23 | May 9 | Oct 24 | 184 |
| Granton | May 10 | May 25 | Oct 1 | 144 |
| Grantsburg | May 11 | May 28 | Oct 1 | 143 |
| Gratiot | May 3 | May 19 | Oct 4 | 154 |
| Green Bay | May 7 | May 22 | Oct 9 | 155 |
| Green Lake | May 8 | May 23 | Oct 2 | 147 |
| Greendale | May 3 | May 19 | Oct 14 | 164 |
| Greenfield | May 3 | May 19 | Oct 14 | 164 |
| Greenville | May 4 | May 20 | Oct 6 | 155 |
| Greenwood | May 13 | May 29 | Sep 26 | 136 |
| Gresham | May 13 | May 26 | Sep 30 | 140 |
| Hales Corners | May 3 | May 19 | Oct 14 | 164 |
| Hammond | May 6 | May 21 | Oct 2 | 149 |
| Hancock | May 10 | May 24 | Oct 3 | 146 |
| Harrison | May 6 | May 21 | Oct 6 | 153 |
| Hartford | May 8 | May 24 | Oct 3 | 148 |
| Hartland | Apr 30 | May 16 | Oct 16 | 169 |
| Hatley | May 6 | May 21 | Oct 4 | 151 |
| Haugen | May 5 | May 18 | Oct 4 | 152 |
| Hawkins | May 7 | May 22 | Oct 3 | 149 |
| Hayward | May 23 | Jun 6 | Sep 22 | 122 |
| Hazel Green | Apr 19 | May 4 | Oct 21 | 185 |
| Hewitt | May 5 | May 20 | Oct 5 | 153 |
| Highland | May 3 | May 17 | Oct 7 | 157 |
| Hilbert | May 6 | May 21 | Oct 6 | 153 |
| Hillsboro | May 5 | May 18 | Oct 4 | 152 |
| Hixton | May 9 | May 23 | Oct 1 | 145 |
| Hobart | May 1 | May 16 | Oct 11 | 163 |
| Hollandale | May 3 | May 17 | Oct 7 | 157 |
| Holmen | Apr 23 | May 6 | Oct 17 | 177 |
| Horicon | May 1 | May 19 | Oct 10 | 162 |
| Hortonville | May 4 | May 19 | Oct 6 | 155 |
| Howard | May 7 | May 22 | Oct 9 | 155 |
| Howards Grove | Apr 25 | May 11 | Oct 23 | 181 |
| Hudson | Apr 22 | May 6 | Oct 19 | 180 |
| Hurley | May 24 | Jun 7 | Sep 28 | 127 |
| Hustisford | Apr 28 | May 13 | Oct 10 | 165 |
| Hustler | May 2 | May 15 | Oct 7 | 158 |
| Independence | May 5 | May 19 | Oct 5 | 153 |
| Ingram | May 7 | May 22 | Oct 3 | 149 |
| Iola | May 6 | May 21 | Oct 5 | 152 |
| Iron Ridge | Apr 28 | May 13 | Oct 10 | 165 |
| Ironton | May 2 | May 16 | Oct 7 | 158 |
| Jackson | Apr 30 | May 15 | Oct 15 | 168 |
| Janesville | Apr 26 | May 11 | Oct 15 | 172 |
| Jefferson | Apr 25 | May 9 | Oct 18 | 176 |
| Johnson Creek | Apr 29 | May 13 | Oct 14 | 168 |
| Junction City | May 4 | May 20 | Oct 7 | 156 |
| Juneau | Apr 28 | May 13 | Oct 10 | 165 |
| Kaukauna | May 4 | May 20 | Oct 6 | 155 |
| Kekoskee | May 1 | May 19 | Oct 10 | 162 |
| Kellnersville | Apr 30 | May 15 | Oct 20 | 173 |
| Kendall | May 5 | May 18 | Oct 4 | 152 |
| Kennan | May 20 | Jun 4 | Sep 23 | 126 |
| Kenosha | Apr 19 | May 3 | Oct 26 | 190 |
| Kewaskum | May 1 | May 18 | Oct 12 | 164 |
| Kewaunee | May 1 | May 17 | Oct 18 | 170 |
| Kiel | May 3 | May 20 | Oct 10 | 160 |
| Kimberly | May 4 | May 20 | Oct 6 | 155 |
| Kingston | May 6 | May 22 | Oct 2 | 149 |
| Knapp | May 9 | May 24 | Oct 1 | 145 |
| Kohler | Apr 25 | May 11 | Oct 23 | 181 |
| Kronenwetter | May 6 | May 21 | Oct 4 | 151 |
| La Crosse | Apr 23 | May 6 | Oct 17 | 177 |
| La Farge | Apr 27 | May 11 | Oct 14 | 170 |
| La Valle | May 2 | May 16 | Oct 7 | 158 |
| Lac La Belle | Apr 30 | May 17 | Oct 12 | 165 |
| Ladysmith | May 27 | Jun 8 | Sep 22 | 118 |
| Lake Delton | May 8 | May 22 | Oct 3 | 148 |
| Lake Geneva | Apr 25 | May 10 | Oct 21 | 179 |
| Lake Hallie | May 8 | May 21 | Oct 4 | 149 |
| Lake Mills | Apr 29 | May 13 | Oct 14 | 168 |
| Lake Nebagamon | May 24 | Jun 6 | Sep 26 | 125 |
| Lancaster | Apr 27 | May 11 | Oct 11 | 167 |
| Lannon | Apr 30 | May 16 | Oct 16 | 169 |
| Lena | May 9 | May 23 | Oct 6 | 150 |
| Lime Ridge | May 12 | May 26 | Sep 29 | 140 |
| Linden | May 3 | May 17 | Oct 7 | 157 |
| Little Chute | May 4 | May 20 | Oct 6 | 155 |
| Livingston | Apr 30 | May 13 | Oct 13 | 166 |
| Lodi | May 1 | May 15 | Oct 10 | 162 |
| Loganville | Apr 24 | May 7 | Oct 20 | 179 |
| Lohrville | May 1 | May 16 | Oct 8 | 160 |
| Lomira | May 1 | May 19 | Oct 10 | 162 |
| Lone Rock | Apr 30 | May 14 | Oct 9 | 162 |
| Lowell | May 2 | May 16 | Oct 9 | 160 |
| Loyal | May 13 | May 29 | Sep 26 | 136 |
| Lublin | May 7 | May 21 | Oct 3 | 149 |
| Luck | May 6 | May 20 | Oct 4 | 151 |
| Luxemburg | May 1 | May 17 | Oct 18 | 170 |
| Lyndon Station | May 8 | May 22 | Oct 3 | 148 |
| Lynxville | Apr 24 | May 8 | Oct 17 | 176 |
| Madison | May 1 | May 17 | Oct 9 | 161 |
| Maiden Rock | May 13 | May 27 | Sep 29 | 139 |
| Maine | May 6 | May 21 | Oct 4 | 151 |
| Manawa | May 8 | May 21 | Oct 6 | 151 |
| Manitowoc | Apr 30 | May 15 | Oct 20 | 173 |
| Maple Bluff | May 1 | May 16 | Oct 10 | 162 |
| Marathon City | May 6 | May 21 | Oct 4 | 151 |
| Maribel | May 6 | May 20 | Oct 12 | 159 |
| Marinette | May 11 | May 26 | Oct 5 | 147 |
| Marion | May 4 | May 19 | Oct 6 | 155 |
| Markesan | May 8 | May 23 | Oct 2 | 147 |
| Marquette | May 6 | May 22 | Oct 2 | 149 |
| Marshall | Apr 30 | May 15 | Oct 9 | 162 |
| Marshfield | May 5 | May 20 | Oct 5 | 153 |
| Mason | May 20 | Jun 2 | Oct 1 | 134 |
| Mattoon | May 14 | May 28 | Sep 30 | 139 |
| Mauston | May 2 | May 15 | Oct 7 | 158 |
| Mayville | May 1 | May 19 | Oct 10 | 162 |
| Mazomanie | May 7 | May 22 | Oct 1 | 147 |
| McFarland | Apr 30 | May 15 | Oct 11 | 164 |
| Medford | May 11 | May 26 | Oct 1 | 143 |
| Mellen | May 26 | Jun 9 | Sep 27 | 124 |
| Melrose | May 9 | May 23 | Oct 1 | 145 |
| Melvina | Apr 27 | May 11 | Oct 14 | 170 |
| Menasha | May 4 | May 20 | Oct 6 | 155 |
| Menomonee Falls | May 6 | May 25 | Oct 8 | 155 |
| Menomonie | May 9 | May 24 | Oct 1 | 145 |
| Mequon | Apr 23 | May 9 | Oct 24 | 184 |
| Merrill | May 11 | May 27 | Sep 30 | 142 |
| Merrillan | May 10 | May 25 | Oct 1 | 144 |
| Merrimac | May 5 | May 21 | Oct 5 | 153 |
| Merton | Apr 30 | May 16 | Oct 16 | 169 |
| Middleton | Apr 28 | May 11 | Oct 15 | 170 |
| Milladore | May 5 | May 20 | Oct 5 | 153 |
| Milltown | May 6 | May 20 | Oct 4 | 151 |
| Milton | Apr 28 | May 17 | Oct 13 | 168 |
| Milwaukee | Apr 26 | May 12 | Oct 18 | 175 |
| Mineral Point | May 3 | May 17 | Oct 7 | 157 |
| Minong | May 10 | May 26 | Oct 4 | 147 |
| Mishicot | Apr 27 | May 10 | Oct 21 | 177 |
| Mondovi | May 10 | May 25 | Oct 2 | 145 |
| Monona | May 1 | May 16 | Oct 10 | 162 |
| Monroe | Apr 27 | May 12 | Oct 14 | 170 |
| Montello | May 3 | May 18 | Oct 5 | 155 |
| Montfort | May 3 | May 17 | Oct 7 | 157 |
| Monticello | Apr 27 | May 12 | Oct 14 | 170 |
| Montreal | May 24 | Jun 7 | Sep 28 | 127 |
| Mosinee | May 6 | May 21 | Oct 4 | 151 |
| Mount Calvary | May 1 | May 17 | Oct 12 | 164 |
| Mount Hope | Apr 22 | May 8 | Oct 20 | 181 |
| Mount Horeb | Apr 28 | May 11 | Oct 15 | 170 |
| Mount Pleasant | Apr 24 | May 10 | Oct 24 | 183 |
| Mount Sterling | May 3 | May 18 | Oct 7 | 157 |
| Mukwonago | May 1 | May 18 | Oct 13 | 165 |
| Muscoda | May 5 | May 19 | Oct 6 | 154 |
| Muskego | May 3 | May 19 | Oct 14 | 164 |
| Nashotah | Apr 30 | May 17 | Oct 12 | 165 |
| Necedah | May 1 | May 14 | Oct 3 | 155 |
| Neenah | May 4 | May 20 | Oct 6 | 155 |
| Neillsville | May 10 | May 25 | Oct 1 | 144 |
| Nekoosa | May 8 | May 22 | Oct 1 | 146 |
| Nelson | Apr 28 | May 9 | Oct 14 | 169 |
| Nelsonville | May 4 | May 20 | Oct 7 | 156 |
| Neosho | Apr 28 | May 13 | Oct 10 | 165 |
| Neshkoro | May 3 | May 18 | Oct 5 | 155 |
| New Auburn | May 5 | May 19 | Oct 3 | 151 |
| New Berlin | May 1 | May 18 | Oct 13 | 165 |
| New Glarus | Apr 27 | May 12 | Oct 14 | 170 |
| New Holstein | May 1 | May 17 | Oct 14 | 166 |
| New Lisbon | May 2 | May 15 | Oct 7 | 158 |
| New London | May 4 | May 19 | Oct 6 | 155 |
| New Richmond | May 6 | May 21 | Oct 2 | 149 |
| Newburg | May 5 | May 19 | Oct 11 | 159 |
| Niagara | May 17 | May 31 | Oct 1 | 137 |
| Nichols | May 4 | May 20 | Oct 6 | 155 |
| North Bay | Apr 24 | May 10 | Oct 24 | 183 |
| North Fond du Lac | Apr 27 | May 11 | Oct 19 | 175 |
| North Freedom | Apr 24 | May 7 | Oct 20 | 179 |
| North Hudson | Apr 22 | May 6 | Oct 19 | 180 |
| North Prairie | May 3 | May 21 | Oct 9 | 159 |
| Norwalk | May 6 | May 20 | Oct 3 | 150 |
| Oak Creek | Apr 22 | May 8 | Oct 26 | 187 |
| Oakdale | May 1 | May 14 | Oct 3 | 155 |
| Oakfield | May 1 | May 17 | Oct 10 | 162 |
| Oconomowoc | Apr 30 | May 17 | Oct 12 | 165 |
| Oconomowoc Lake | Apr 30 | May 17 | Oct 12 | 165 |
| Oconto | May 9 | May 23 | Oct 6 | 150 |
| Oconto Falls | May 9 | May 23 | Oct 6 | 150 |
| Ogdensburg | May 8 | May 21 | Oct 6 | 151 |
| Oliver | May 18 | Jun 3 | Oct 3 | 138 |
| Omro | May 1 | May 16 | Oct 8 | 160 |
| Onalaska | Apr 23 | May 6 | Oct 17 | 177 |
| Ontario | Apr 27 | May 11 | Oct 14 | 170 |
| Oostburg | May 3 | May 18 | Oct 16 | 166 |
| Oregon | May 1 | May 17 | Oct 9 | 161 |
| Orfordville | Apr 29 | May 14 | Oct 12 | 166 |
| Osceola | May 4 | May 18 | Oct 8 | 157 |
| Oshkosh | Apr 24 | May 8 | Oct 20 | 179 |
| Osseo | May 7 | May 20 | Oct 1 | 147 |
| Owen | May 13 | May 29 | Sep 26 | 136 |
| Oxford | May 3 | May 18 | Oct 5 | 155 |
| Paddock Lake | Apr 30 | May 16 | Oct 15 | 168 |
| Palmyra | May 3 | May 21 | Oct 9 | 159 |
| Pardeeville | Apr 28 | May 12 | Oct 10 | 165 |
| Park Falls | May 15 | May 30 | Sep 28 | 136 |
| Park Ridge | May 4 | May 20 | Oct 7 | 156 |
| Patch Grove | Apr 28 | May 11 | Oct 12 | 167 |
| Pepin | May 1 | May 15 | Oct 10 | 162 |
| Peshtigo | May 11 | May 26 | Oct 5 | 147 |
| Pewaukee | Apr 30 | May 15 | Oct 14 | 167 |
| Phillips | May 23 | Jun 6 | Sep 23 | 123 |
| Pigeon Falls | May 9 | May 23 | Oct 1 | 145 |
| Pittsville | May 8 | May 22 | Oct 1 | 146 |
| Plain | Apr 30 | May 14 | Oct 9 | 162 |
| Plainfield | May 10 | May 24 | Oct 3 | 146 |
| Platteville | Apr 30 | May 13 | Oct 13 | 166 |
| Pleasant Prairie | Apr 19 | May 3 | Oct 26 | 190 |
| Plover | May 4 | May 20 | Oct 7 | 156 |
| Plum City | May 1 | May 15 | Oct 10 | 162 |
| Plymouth | May 3 | May 20 | Oct 10 | 160 |
| Poplar | May 24 | Jun 6 | Sep 26 | 125 |
| Port Edwards | May 8 | May 22 | Oct 1 | 146 |
| Port Washington | Apr 27 | May 14 | Oct 22 | 178 |
| Portage | Apr 28 | May 12 | Oct 10 | 165 |
| Potosi | Apr 27 | May 11 | Oct 11 | 167 |
| Potter | May 6 | May 21 | Oct 6 | 153 |
| Pound | May 9 | May 23 | Oct 6 | 150 |
| Poynette | May 4 | May 18 | Oct 6 | 155 |
| Prairie du Chien | Apr 28 | May 11 | Oct 12 | 167 |
| Prairie du Sac | May 4 | May 18 | Oct 6 | 155 |
| Prairie Farm | May 10 | May 26 | Sep 29 | 142 |
| Prentice | May 23 | Jun 6 | Sep 23 | 123 |
| Prescott | Apr 23 | May 7 | Oct 19 | 179 |
| Princeton | May 3 | May 18 | Oct 5 | 155 |
| Pulaski | May 7 | May 22 | Oct 9 | 155 |
| Racine | Apr 24 | May 10 | Oct 24 | 183 |
| Radisson | May 19 | Jun 3 | Sep 27 | 131 |
| Randolph | May 1 | May 16 | Oct 11 | 163 |
| Random Lake | May 3 | May 18 | Oct 16 | 166 |
| Raymond | May 5 | May 20 | Oct 8 | 156 |
| Readstown | May 7 | May 21 | Oct 2 | 148 |
| Redgranite | May 1 | May 16 | Oct 8 | 160 |
| Reedsburg | May 2 | May 16 | Oct 7 | 158 |
| Reedsville | May 6 | May 21 | Oct 6 | 153 |
| Reeseville | Apr 30 | May 15 | Oct 9 | 162 |
| Rewey | Apr 30 | May 13 | Oct 13 | 166 |
| Rhinelander | May 23 | Jun 5 | Sep 23 | 123 |
| Rib Lake | May 11 | May 26 | Oct 1 | 143 |
| Rice Lake | May 8 | May 23 | Oct 2 | 147 |
| Richfield | Apr 30 | May 16 | Oct 16 | 169 |
| Richland Center | May 5 | May 19 | Oct 6 | 154 |
| Ridgeland | May 10 | May 26 | Sep 29 | 142 |
| Ridgeway | May 3 | May 17 | Oct 7 | 157 |
| Rio | May 4 | May 18 | Oct 6 | 155 |
| Ripon | May 1 | May 14 | Oct 11 | 163 |
| River Falls | May 11 | May 26 | Oct 1 | 143 |
| River Hills | Apr 26 | May 12 | Oct 18 | 175 |
| Roberts | May 6 | May 21 | Oct 2 | 149 |
| Rochester | May 5 | May 23 | Oct 10 | 158 |
| Rock Springs | Apr 24 | May 7 | Oct 20 | 179 |
| Rockdale | Apr 29 | May 13 | Oct 14 | 168 |
| Rockland | May 9 | May 22 | Oct 1 | 145 |
| Rosendale | May 1 | May 14 | Oct 11 | 163 |
| Rosholt | May 6 | May 21 | Oct 5 | 152 |
| Rothschild | May 6 | May 21 | Oct 4 | 151 |
| Rudolph | May 9 | May 24 | Sep 30 | 144 |
| Salem Lakes | Apr 23 | May 9 | Oct 21 | 181 |
| Sauk City | May 4 | May 18 | Oct 6 | 155 |
| Saukville | May 5 | May 19 | Oct 11 | 159 |
| Scandinavia | May 8 | May 21 | Oct 6 | 151 |
| Schofield | May 6 | May 21 | Oct 4 | 151 |
| Seymour | May 1 | May 16 | Oct 11 | 163 |
| Sharon | Apr 28 | May 14 | Oct 14 | 169 |
| Shawano | May 9 | May 24 | Oct 2 | 146 |
| Sheboygan | May 2 | May 19 | Oct 21 | 172 |
| Sheboygan Falls | May 5 | May 21 | Oct 8 | 156 |
| Sheldon | May 20 | Jun 4 | Sep 23 | 126 |
| Shell Lake | May 14 | May 29 | Sep 28 | 137 |
| Sherwood | May 6 | May 21 | Oct 6 | 153 |
| Shiocton | May 4 | May 19 | Oct 6 | 155 |
| Shorewood | Apr 26 | May 12 | Oct 18 | 175 |
| Shorewood Hills | Apr 28 | May 11 | Oct 15 | 170 |
| Shullsburg | May 3 | May 19 | Oct 4 | 154 |
| Siren | May 11 | May 28 | Oct 1 | 143 |
| Sister Bay | May 14 | May 28 | Oct 18 | 157 |
| Slinger | May 5 | May 20 | Oct 5 | 153 |
| Soldiers Grove | May 3 | May 18 | Oct 7 | 157 |
| Solon Springs | May 12 | May 27 | Oct 2 | 143 |
| Somers | Apr 28 | May 13 | Oct 19 | 174 |
| Somerset | Apr 22 | May 6 | Oct 19 | 180 |
| South Milwaukee | Apr 22 | May 8 | Oct 26 | 187 |
| South Wayne | Apr 27 | May 12 | Oct 14 | 170 |
| Sparta | May 9 | May 22 | Oct 1 | 145 |
| Spencer | May 5 | May 20 | Oct 5 | 153 |
| Spooner | May 14 | May 29 | Sep 28 | 137 |
| Spring Green | Apr 30 | May 14 | Oct 9 | 162 |
| Spring Valley | May 6 | May 21 | Oct 2 | 149 |
| St. Cloud | May 3 | May 20 | Oct 10 | 160 |
| St. Croix Falls | May 4 | May 18 | Oct 8 | 157 |
| St. Francis | Apr 19 | May 2 | Oct 29 | 193 |
| St. Nazianz | May 1 | May 17 | Oct 14 | 166 |
| Stanley | May 7 | May 21 | Oct 3 | 149 |
| Star Prairie | May 5 | May 21 | Oct 4 | 152 |
| Stetsonville | May 11 | May 26 | Oct 1 | 143 |
| Steuben | Apr 22 | May 8 | Oct 20 | 181 |
| Stevens Point | May 4 | May 20 | Oct 7 | 156 |
| Stockbridge | May 1 | May 17 | Oct 14 | 166 |
| Stockholm | May 1 | May 15 | Oct 10 | 162 |
| Stoddard | Apr 22 | May 5 | Oct 17 | 178 |
| Stoughton | Apr 30 | May 15 | Oct 11 | 164 |
| Stratford | May 5 | May 20 | Oct 5 | 153 |
| Strum | May 10 | May 25 | Oct 2 | 145 |
| Sturgeon Bay | May 8 | May 21 | Oct 13 | 158 |
| Sturtevant | May 5 | May 20 | Oct 8 | 156 |
| Suamico | May 7 | May 22 | Oct 9 | 155 |
| Sullivan | May 3 | May 21 | Oct 9 | 159 |
| Summit | Apr 30 | May 17 | Oct 12 | 165 |
| Sun Prairie | May 1 | May 16 | Oct 10 | 162 |
| Superior | May 18 | Jun 3 | Oct 3 | 138 |
| Suring | May 14 | May 29 | Oct 1 | 140 |
| Sussex | Apr 30 | May 16 | Oct 16 | 169 |
| Taylor | May 9 | May 23 | Oct 1 | 145 |
| Tennyson | Apr 27 | May 11 | Oct 11 | 167 |
| Theresa | May 1 | May 19 | Oct 10 | 162 |
| Thiensville | Apr 23 | May 9 | Oct 24 | 184 |
| Thorp | May 7 | May 21 | Oct 3 | 149 |
| Tigerton | May 6 | May 21 | Oct 5 | 152 |
| Tomah | May 6 | May 20 | Oct 3 | 150 |
| Tomahawk | May 10 | May 27 | Oct 4 | 147 |
| Tony | May 7 | May 22 | Oct 3 | 149 |
| Trempealeau | Apr 29 | May 13 | Oct 11 | 165 |
| Turtle Lake | May 5 | May 18 | Oct 4 | 152 |
| Twin Lakes | Apr 30 | May 16 | Oct 13 | 166 |
| Two Rivers | Apr 27 | May 10 | Oct 21 | 177 |
| Union Center | May 5 | May 18 | Oct 4 | 152 |
| Union Grove | May 5 | May 20 | Oct 8 | 156 |
| Unity | May 13 | May 29 | Sep 26 | 136 |
| Valders | May 1 | May 17 | Oct 14 | 166 |
| Vernon | May 1 | May 18 | Oct 13 | 165 |
| Verona | Apr 28 | May 11 | Oct 15 | 170 |
| Vesper | May 8 | May 22 | Oct 1 | 146 |
| Viola | May 7 | May 21 | Oct 2 | 148 |
| Viroqua | May 7 | May 21 | Oct 2 | 148 |
| Waldo | May 3 | May 18 | Oct 16 | 166 |
| Wales | May 1 | May 18 | Oct 13 | 165 |
| Walworth | Apr 28 | May 14 | Oct 14 | 169 |
| Warrens | May 6 | May 20 | Oct 3 | 150 |
| Washburn | May 23 | Jun 5 | Oct 2 | 132 |
| Waterford | May 5 | May 23 | Oct 10 | 158 |
| Waterloo | Apr 30 | May 15 | Oct 9 | 162 |
| Watertown | Apr 28 | May 13 | Oct 12 | 167 |
| Waukesha | Apr 30 | May 15 | Oct 14 | 167 |
| Waunakee | May 1 | May 16 | Oct 10 | 162 |
| Waupaca | May 8 | May 21 | Oct 6 | 151 |
| Waupun | May 8 | May 23 | Oct 2 | 147 |
| Wausau | May 6 | May 21 | Oct 4 | 151 |
| Wausaukee | May 22 | Jun 4 | Sep 27 | 128 |
| Wautoma | May 10 | May 24 | Oct 3 | 146 |
| Wauwatosa | Apr 26 | May 12 | Oct 18 | 175 |
| Wauzeka | Apr 22 | May 8 | Oct 20 | 181 |
| Webster | May 11 | May 28 | Sep 30 | 142 |
| West Allis | Apr 26 | May 12 | Oct 22 | 179 |
| West Baraboo | May 5 | May 21 | Oct 5 | 153 |
| West Bend | May 1 | May 18 | Oct 12 | 164 |
| West Milwaukee | Apr 26 | May 12 | Oct 22 | 179 |
| West Salem | Apr 27 | May 12 | Oct 13 | 169 |
| Westby | Apr 27 | May 11 | Oct 14 | 170 |
| Westfield | May 3 | May 18 | Oct 5 | 155 |
| Weston | May 6 | May 21 | Oct 4 | 151 |
| Weyauwega | May 8 | May 21 | Oct 6 | 151 |
| Weyerhaeuser | May 9 | May 27 | Sep 29 | 143 |
| Wheeler | May 10 | May 26 | Sep 29 | 142 |
| White Lake | May 22 | Jun 3 | Sep 28 | 129 |
| Whitefish Bay | Apr 26 | May 12 | Oct 18 | 175 |
| Whitehall | May 9 | May 23 | Oct 1 | 145 |
| Whitelaw | Apr 30 | May 15 | Oct 20 | 173 |
| Whitewater | May 2 | May 20 | Oct 9 | 160 |
| Whiting | May 4 | May 20 | Oct 7 | 156 |
| Wild Rose | May 8 | May 21 | Oct 6 | 151 |
| Williams Bay | Apr 28 | May 14 | Oct 14 | 169 |
| Wilson | May 6 | May 21 | Oct 2 | 149 |
| Wilton | May 5 | May 18 | Oct 4 | 152 |
| Wind Point | Apr 24 | May 10 | Oct 24 | 183 |
| Windsor | May 4 | May 18 | Oct 6 | 155 |
| Winneconne | Apr 24 | May 8 | Oct 20 | 179 |
| Winter | May 19 | Jun 3 | Sep 27 | 131 |
| Wisconsin Dells | May 8 | May 22 | Oct 3 | 148 |
| Wisconsin Rapids | May 8 | May 22 | Oct 1 | 146 |
| Withee | May 13 | May 29 | Sep 26 | 136 |
| Wittenberg | May 6 | May 21 | Oct 5 | 152 |
| Wonewoc | May 5 | May 18 | Oct 4 | 152 |
| Woodman | Apr 22 | May 8 | Oct 20 | 181 |
| Woodville | May 6 | May 21 | Oct 2 | 149 |
| Wrightstown | May 6 | May 21 | Oct 6 | 153 |
| Wyeville | May 6 | May 20 | Oct 3 | 150 |
| Wyocena | Apr 28 | May 12 | Oct 10 | 165 |
| Yorkville | May 5 | May 20 | Oct 8 | 156 |
| Yuba | May 12 | May 26 | Sep 29 | 140 |
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020. City centers from the US Census Bureau. Click a city for its nearest station and, where it has frost dates, hard-freeze dates and a vegetable planting calendar. See how we calculate.
Frequently asked questions
When is the last frost in Milwaukee, WI?
The average last spring frost in Milwaukee is April 26, and only 1 year in 10 has a frost after May 12. The average first fall frost is October 18. These come from NOAA's 1991–2020 records at the Mt Mary College station.
When should I plant tomatoes in Wisconsin?
UNH Extension times tomato transplants for 1 to 2 weeks after the average last frost. In Milwaukee that's about May 3 to May 10; for a 9 in 10 chance of no later frost, wait until May 12. Look up your ZIP code for your own dates and a full vegetable planting calendar.
More for Wisconsin: Wisconsin climate zones (insulation) · Wisconsin planting zones · Frost line depth by state