Frost dates in Mahaska County, Iowa
The average last spring frost in Mahaska County falls Apr 21 to Apr 23 and the average first fall frost Oct 14 to Oct 16, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Barnes City, Beacon, Fremont, Leighton, New Sharon, Oskaloosa. 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 |
|---|---|---|---|---|
| 50027 | Barnes City | Apr 21 | Oct 16 | 5b |
| 50143 | Leighton | Apr 21 | Oct 16 | 5b |
| 50207 | New Sharon | Apr 21 | Oct 16 | 5b |
| 52534 | Beacon | Apr 21 | Oct 16 | 5b |
| 52543 | Apr 23 | Oct 14 | 5b | |
| 52561 | Fremont | Apr 23 | Oct 14 | 5b |
| 52577 | Oskaloosa | Apr 21 | Oct 16 | 5b |
| 52586 | Rose Hill | Apr 21 | Oct 16 | 5b |
| 52595 | University Park | Apr 21 | Oct 16 | 5b |
Nearby counties
Keokuk County Wapello County Poweshiek County Marion County Monroe County Jasper County
All Iowa counties · Download Iowa frost dates (CSV)
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