Wisconsin Frost Dates
Across Wisconsin, the average last spring frost ranges from Apr 19 in Pleasant Prairie to May 26 in Rhinelander. Find your town below, or enter your ZIP code for the nearest station.
Largest cities
MilwaukeeMadisonGreen BayKenoshaRacineAppletonEau ClaireWaukeshaOshkoshJanesvilleWest AllisLa Crosse
Average frost dates in Wisconsin towns
Average (50%) dates of the last 32°F frost in spring and the first in fall, from the nearest NOAA station. Towns with 5,000+ residents.
| Town | Last frost | First frost | Season (days) |
|---|---|---|---|
| Allouez | Apr 30 | Oct 9 | 161 |
| Altoona | Apr 24 | Oct 14 | 170 |
| Antigo | May 14 | Sep 30 | 139 |
| Appleton | May 4 | Oct 6 | 154 |
| Ashland | May 20 | Oct 2 | 133 |
| Ashwaubenon | Apr 30 | Oct 9 | 161 |
| Baraboo | May 5 | Oct 5 | 152 |
| Beaver Dam | May 2 | Oct 9 | 157 |
| Bellevue | Apr 30 | Oct 9 | 161 |
| Beloit | May 1 | Oct 12 | 162 |
| Berlin | May 1 | Oct 8 | 158 |
| Bristol | Apr 30 | Oct 15 | 167 |
| Brookfield | Apr 30 | Oct 14 | 164 |
| Brown Deer | Apr 26 | Oct 18 | 173 |
| Burlington | May 5 | Oct 9 | 156 |
| Caledonia | Apr 24 | Oct 24 | 180 |
| Cedarburg | Apr 23 | Oct 24 | 182 |
| Chippewa Falls | May 8 | Oct 4 | 149 |
| Columbus | Apr 30 | Oct 9 | 163 |
| Cottage Grove | May 1 | Oct 10 | 160 |
| Cudahy | Apr 19 | Oct 29 | 192 |
| De Pere | Apr 30 | Oct 9 | 161 |
| DeForest | May 4 | Oct 6 | 154 |
| Delafield | Apr 30 | Oct 12 | 164 |
| Delavan | Apr 28 | Oct 14 | 168 |
| Dodgeville | May 3 | Oct 7 | 157 |
| East Troy | May 5 | Oct 10 | 156 |
| Eau Claire | Apr 24 | Oct 14 | 170 |
| Edgerton | Apr 30 | Oct 11 | 163 |
| Elkhorn | Apr 28 | Oct 14 | 168 |
| Elm Grove | Apr 26 | Oct 18 | 173 |
| Evansville | Apr 30 | Oct 11 | 163 |
| Fitchburg | May 1 | Oct 9 | 161 |
| Fond du Lac | Apr 27 | Oct 19 | 174 |
| Fort Atkinson | Apr 28 | Oct 13 | 166 |
| Fox Crossing | May 4 | Oct 6 | 154 |
| Fox Point | Apr 26 | Oct 18 | 173 |
| Franklin | May 3 | Oct 14 | 162 |
| Germantown | May 6 | Oct 8 | 154 |
| Glendale | Apr 26 | Oct 18 | 173 |
| Grafton | Apr 23 | Oct 24 | 182 |
| Green Bay | May 7 | Oct 9 | 154 |
| Greendale | May 3 | Oct 14 | 162 |
| Greenfield | May 3 | Oct 14 | 162 |
| Greenville | May 4 | Oct 6 | 154 |
| Hales Corners | May 3 | Oct 14 | 162 |
| Harrison | May 4 | Oct 6 | 154 |
| Hartford | May 8 | Oct 3 | 148 |
| Hartland | May 1 | Oct 13 | 162 |
| Hobart | May 1 | Oct 11 | 160 |
| Holmen | Apr 23 | Oct 17 | 177 |
| Howard | May 7 | Oct 9 | 154 |
| Hudson | Apr 22 | Oct 19 | 178 |
| Jackson | Apr 30 | Oct 15 | 167 |
| Janesville | Apr 26 | Oct 15 | 170 |
| Jefferson | Apr 25 | Oct 18 | 173 |
| Kaukauna | May 4 | Oct 6 | 154 |
| Kenosha | Apr 28 | Oct 19 | 174 |
| Kimberly | May 4 | Oct 6 | 154 |
| Kronenwetter | May 6 | Oct 4 | 150 |
| La Crosse | Apr 27 | Oct 13 | 167 |
| Lake Geneva | Apr 25 | Oct 21 | 179 |
| Lake Hallie | May 8 | Oct 4 | 149 |
| Lake Mills | Apr 29 | Oct 14 | 167 |
| Lisbon | Apr 30 | Oct 16 | 167 |
| Little Chute | May 4 | Oct 6 | 154 |
| Madison | May 1 | Oct 9 | 161 |
| Manitowoc | Apr 30 | Oct 20 | 171 |
| Marinette | May 4 | Oct 11 | 160 |
| Marshfield | May 5 | Oct 5 | 152 |
| Mayville | May 1 | Oct 10 | 158 |
| McFarland | May 1 | Oct 9 | 161 |
| Menasha | May 4 | Oct 6 | 154 |
| Menomonee Falls | May 6 | Oct 8 | 154 |
| Menomonie | May 9 | Oct 1 | 143 |
| Mequon | May 6 | Oct 8 | 154 |
| Merrill | May 11 | Sep 30 | 139 |
| Middleton | Apr 28 | Oct 15 | 169 |
| Milton | Apr 28 | Oct 13 | 166 |
| Milwaukee | Apr 26 | Oct 18 | 173 |
| Monona | May 1 | Oct 9 | 161 |
| Monroe | Apr 27 | Oct 14 | 170 |
| Mount Horeb | May 7 | Oct 1 | 148 |
| Mount Pleasant | Apr 20 | Oct 24 | 184 |
| Mukwonago | May 5 | Oct 10 | 156 |
| Muskego | May 3 | Oct 14 | 162 |
| Neenah | May 4 | Oct 6 | 154 |
| New Berlin | May 3 | Oct 14 | 162 |
| New London | May 4 | Oct 6 | 153 |
| New Richmond | Apr 22 | Oct 19 | 178 |
| North Fond du Lac | May 1 | Oct 12 | 162 |
| Oak Creek | Apr 22 | Oct 26 | 184 |
| Oconomowoc | Apr 30 | Oct 12 | 164 |
| Onalaska | Apr 23 | Oct 17 | 177 |
| Oregon | May 1 | Oct 9 | 161 |
| Oshkosh | Apr 24 | Oct 20 | 178 |
| Pewaukee | Apr 30 | Oct 14 | 164 |
| Pewaukee | Apr 30 | Oct 14 | 164 |
| Platteville | Apr 30 | Oct 13 | 166 |
| Pleasant Prairie | Apr 19 | Oct 26 | 189 |
| Plover | May 4 | Oct 7 | 155 |
| Plymouth | May 3 | Oct 10 | 159 |
| Port Washington | Apr 27 | Oct 22 | 176 |
| Portage | Apr 28 | Oct 10 | 164 |
| Prairie du Chien | Apr 28 | Oct 12 | 166 |
| Racine | Apr 20 | Oct 24 | 184 |
| Reedsburg | May 2 | Oct 7 | 156 |
| Rhinelander | May 26 | Sep 23 | 120 |
| Rib Mountain | May 6 | Oct 4 | 150 |
| Rice Lake | May 8 | Oct 2 | 145 |
| Richfield | Apr 30 | Oct 16 | 167 |
| Richland Center | May 5 | Oct 6 | 154 |
| Ripon | May 1 | Oct 11 | 163 |
| River Falls | May 11 | Oct 1 | 143 |
| Rothschild | May 6 | Oct 4 | 150 |
| Salem Lakes | Apr 30 | Oct 15 | 167 |
| Shawano | May 9 | Oct 2 | 144 |
| Sheboygan | Apr 25 | Oct 23 | 179 |
| Sheboygan Falls | May 5 | Oct 8 | 154 |
| Shorewood | Apr 26 | Oct 18 | 173 |
| Slinger | May 5 | Oct 5 | 152 |
| Somers | Apr 28 | Oct 19 | 174 |
| South Milwaukee | Apr 22 | Oct 26 | 184 |
| Sparta | May 9 | Oct 1 | 144 |
| St. Francis | Apr 19 | Oct 29 | 192 |
| Stevens Point | May 4 | Oct 7 | 155 |
| Stoughton | Apr 30 | Oct 11 | 163 |
| Sturgeon Bay | May 8 | Oct 13 | 157 |
| Sturtevant | Apr 20 | Oct 24 | 184 |
| Suamico | May 7 | Oct 9 | 154 |
| Summit | Apr 30 | Oct 12 | 164 |
| Sun Prairie | May 1 | Oct 10 | 160 |
| Superior | May 6 | Oct 9 | 154 |
| Sussex | Apr 30 | Oct 16 | 167 |
| Tomah | May 6 | Oct 3 | 148 |
| Twin Lakes | Apr 30 | Oct 13 | 164 |
| Two Rivers | Apr 27 | Oct 21 | 175 |
| Union Grove | May 5 | Oct 8 | 156 |
| Vernon | May 1 | Oct 13 | 162 |
| Verona | Apr 28 | Oct 15 | 169 |
| Waterford | May 5 | Oct 10 | 156 |
| Watertown | Apr 28 | Oct 12 | 167 |
| Waukesha | May 1 | Oct 13 | 162 |
| Waukesha | May 1 | Oct 13 | 162 |
| Waunakee | May 1 | Oct 10 | 160 |
| Waupaca | May 8 | Oct 6 | 151 |
| Waupun | May 1 | Oct 11 | 163 |
| Wausau | May 6 | Oct 4 | 150 |
| Wauwatosa | Apr 26 | Oct 18 | 173 |
| West Allis | Apr 26 | Oct 22 | 177 |
| West Bend | May 1 | Oct 12 | 161 |
| West Salem | Apr 27 | Oct 13 | 167 |
| Weston | May 6 | Oct 4 | 150 |
| Whitefish Bay | Apr 26 | Oct 18 | 173 |
| Whitewater | May 2 | Oct 9 | 157 |
| Windsor | May 4 | Oct 6 | 154 |
| Wisconsin Rapids | May 9 | Sep 30 | 142 |