Frost dates in Clay County, Iowa
The average last spring frost in Clay County falls Apr 30 to May 4 and the average first fall frost Oct 2 to Oct 5, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Dickens, Everly, Fostoria, Gillett Grove, Greenville, Linn Grove. 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 |
|---|---|---|---|---|
| 51033 | Linn Grove | Apr 30 | Oct 5 | 5a |
| 51047 | Peterson | May 4 | Oct 4 | 5a |
| 51301 | Spencer | May 1 | Oct 3 | 5a |
| 51333 | Dickens | May 1 | Oct 3 | 5a |
| 51338 | Everly | May 2 | Oct 2 | 5a |
| 51340 | Fostoria | May 1 | Oct 3 | 5a |
| 51341 | Gillett Grove | Apr 30 | Oct 5 | 5a |
| 51343 | Greenville | Apr 30 | Oct 5 | 5a |
| 51357 | Royal | May 2 | Oct 2 | 5a |
| 51366 | Webb | Apr 30 | Oct 5 | 5a |
Nearby counties
Buena Vista County Dickinson County O'Brien County Palo Alto County Osceola County Cherokee County
All Iowa counties · Download Iowa frost dates (CSV)
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