Frost dates in Calhoun County, Iowa
The average last spring frost in Calhoun County falls Apr 26 to Apr 30 and the average first fall frost Oct 6 to Oct 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Jolley, Knierim, Lake City, Lohrville, Lytton, Manson. 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 |
|---|---|---|---|---|
| 50538 | Rinard | Apr 26 | Oct 10 | 5a |
| 50551 | Jolley | Apr 26 | Oct 10 | 5a |
| 50552 | Knierim | Apr 26 | Oct 10 | 5a |
| 50561 | Lytton | Apr 30 | Oct 6 | 5a |
| 50563 | Manson | Apr 26 | Oct 10 | 5a |
| 50575 | Pomeroy | Apr 26 | Oct 10 | 5a |
| 50579 | Rockwell City | Apr 26 | Oct 10 | 5a |
| 50586 | Somers | Apr 26 | Oct 10 | 5a |
| 51449 | Lake City | Apr 26 | Oct 10 | 5a |
| 51453 | Lohrville | Apr 26 | Oct 10 | 5a |
Nearby counties
Webster County Pocahontas County Sac County Greene County Carroll County Humboldt County
All Iowa counties · Download Iowa frost dates (CSV)
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