Frost dates in Polk County, Wisconsin
The average last spring frost in Polk County falls May 4 to May 19 and the average first fall frost Sep 25 to Oct 8, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a to 4b. Places: Amery, Balsam Lake, Centuria, Clear Lake, Dresser, Frederic. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 54001 | Amery | May 5 | Oct 4 | 4b |
| 54005 | Clear Lake | May 5 | Oct 4 | 4b |
| 54006 | May 19 | Sep 25 | 4a | |
| 54009 | Dresser | May 4 | Oct 8 | 4b |
| 54020 | Osceola | May 4 | Oct 8 | 4b |
| 54024 | St. Croix Falls | May 19 | Sep 25 | 4a |
| 54026 | Star Prairie | May 5 | Oct 4 | 4b |
| 54810 | Balsam Lake | May 6 | Oct 4 | 4b |
| 54824 | Centuria | May 6 | Oct 4 | 4b |
| 54826 | May 5 | Oct 4 | 4b | |
| 54837 | Frederic | May 6 | Oct 4 | 4b |
| 54853 | Luck | May 6 | Oct 4 | 4b |
| 54858 | Milltown | May 6 | Oct 4 | 4b |
| 54889 | Turtle Lake | May 5 | Oct 4 | 4b |
Nearby counties
Burnett County St. Croix County Barron County Dunn County Washburn County Pierce County
All Wisconsin counties · Download Wisconsin frost dates (CSV)
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