Frost dates in Winnebago County, Iowa
The average last spring frost in Winnebago County falls Apr 30 and the average first fall frost Oct 7, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Buffalo Center, Forest City, Lake Mills, Leland, Rake, Scarville. 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 |
|---|---|---|---|---|
| 50424 | Buffalo Center | Apr 30 | Oct 7 | 5a |
| 50436 | Forest City | Apr 30 | Oct 7 | 5a |
| 50450 | Lake Mills | Apr 30 | Oct 7 | 5a |
| 50453 | Leland | Apr 30 | Oct 7 | 5a |
| 50465 | Rake | Apr 30 | Oct 7 | 5a |
| 50473 | Scarville | Apr 30 | Oct 7 | 5a |
| 50478 | Thompson | Apr 30 | Oct 7 | 5a |
Nearby counties
Worth County Hancock County Kossuth County Cerro Gordo County Emmet County Mitchell County
All Iowa counties · Download Iowa frost dates (CSV)
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