Frost dates in Twin Falls County, Idaho
The average last spring frost in Twin Falls County falls Apr 25 to May 17 and the average first fall frost Sep 29 to Oct 15, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 7a. Places: Buhl, Castleford, Filer, Hagerman, Hansen, Kimberly. 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 |
|---|---|---|---|---|
| 83301 | Twin Falls | May 9 | Oct 4 | 6b |
| 83302 | May 9 | Oct 4 | 6a | |
| 83316 | Buhl | May 17 | Sep 29 | 7a |
| 83321 | Castleford | May 17 | Sep 29 | 6b |
| 83328 | Filer | Apr 25 | Oct 15 | 7a |
| 83332 | Hagerman | May 3 | Oct 1 | 7a |
| 83334 | Hansen | May 6 | Oct 3 | 6b |
| 83341 | Kimberly | May 9 | Oct 4 | 6b |
Nearby counties
Jerome County Gooding County Lincoln County Minidoka County Cassia County Camas County
All Idaho counties · Download Idaho frost dates (CSV)
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