Frost dates in Iowa County, Wisconsin
The average last spring frost in Iowa County falls Apr 30 to May 7 and the average first fall frost Oct 1 to Oct 13, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Arena, Avoca, Barneveld, Cobb, Dodgeville, Highland. 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 |
|---|---|---|---|---|
| 53503 | Arena | May 7 | Oct 1 | 5a |
| 53506 | Avoca | Apr 30 | Oct 9 | 5a |
| 53507 | Barneveld | May 3 | Oct 7 | 5a |
| 53526 | Cobb | May 3 | Oct 7 | 5a |
| 53533 | Dodgeville | May 3 | Oct 7 | 5a |
| 53543 | Highland | May 3 | Oct 7 | 5a |
| 53544 | Hollandale | May 3 | Oct 7 | 5a |
| 53553 | Linden | May 3 | Oct 7 | 5a |
| 53565 | Mineral Point | May 3 | Oct 7 | 5a |
| 53580 | Rewey | Apr 30 | Oct 13 | 5a |
| 53582 | Ridgeway | May 3 | Oct 7 | 5a |
Nearby counties
Lafayette County Richland County Grant County Sauk County Green County Dane County
All Wisconsin counties · Download Wisconsin frost dates (CSV)
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