Frost dates in Audubon County, Iowa
The average last spring frost in Audubon County falls Apr 30 to May 2 and the average first fall frost Oct 2 to Oct 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Audubon, Brayton, Exira, Gray, Kimballton. 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 |
|---|---|---|---|---|
| 50025 | Audubon | May 2 | Oct 3 | 5a |
| 50042 | Brayton | Apr 30 | Oct 2 | 5a |
| 50076 | Exira | May 2 | Oct 3 | 5a |
| 50110 | Gray | May 2 | Oct 3 | 5a |
| 50117 | May 2 | Oct 3 | 5a | |
| 51543 | Kimballton | May 2 | Oct 3 | 5b |
Nearby counties
Shelby County Guthrie County Cass County Carroll County Crawford County Adair County
All Iowa counties · Download Iowa frost dates (CSV)
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