Frost dates in Henry County, Iowa
The average last spring frost in Henry County falls Apr 26 to Apr 30 and the average first fall frost Oct 10 to Oct 11, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Mount Pleasant, Mount Union, New London, Olds, Salem, Swedesburg. 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 |
|---|---|---|---|---|
| 52641 | Mount Pleasant | Apr 30 | Oct 10 | 5b |
| 52644 | Mount Union | Apr 30 | Oct 10 | 5b |
| 52645 | New London | Apr 30 | Oct 10 | 5b |
| 52647 | Olds | Apr 30 | Oct 10 | 5b |
| 52649 | Salem | Apr 30 | Oct 10 | 6a |
| 52652 | Swedesburg | Apr 30 | Oct 10 | 5b |
| 52654 | Wayland | Apr 28 | Oct 11 | 5b |
| 52659 | Winfield | Apr 26 | Oct 10 | 5b |
Nearby counties
Louisa County Des Moines County Jefferson County Washington County Lee County Van Buren County
All Iowa counties · Download Iowa frost dates (CSV)
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