Frost dates in Rock County, Wisconsin
The average last spring frost in Rock County falls Apr 26 to May 1 and the average first fall frost Oct 10 to Oct 15, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Beloit, Brodhead, Clinton, Edgerton, Evansville, Footville. 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 |
|---|---|---|---|---|
| 53501 | Apr 26 | Oct 15 | 5b | |
| 53505 | Apr 30 | Oct 10 | 5b | |
| 53511 | Beloit | May 1 | Oct 12 | 5b |
| 53520 | Brodhead | Apr 29 | Oct 12 | 5a |
| 53525 | Clinton | Apr 30 | Oct 10 | 5b |
| 53534 | Edgerton | Apr 30 | Oct 11 | 5b |
| 53536 | Evansville | Apr 30 | Oct 11 | 5b |
| 53537 | Footville | Apr 26 | Oct 15 | 5b |
| 53545 | Janesville | Apr 26 | Oct 15 | 5b |
| 53546 | Janesville | Apr 26 | Oct 15 | 5b |
| 53548 | Janesville | Apr 26 | Oct 15 | 5b |
| 53563 | Milton | Apr 28 | Oct 13 | 5b |
| 53576 | Orfordville | Apr 29 | Oct 12 | 5b |
Nearby counties
Green County Walworth County Jefferson County Dane County Waukesha County Lafayette County
All Wisconsin counties · Download Wisconsin frost dates (CSV)
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