Frost dates in Blaine County, Idaho
The average last spring frost in Blaine County falls May 13 to Jun 16 and the average first fall frost Sep 9 to Oct 2, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Carey, Gannett, Hailey, Ketchum, Sun Valley. 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 |
|---|---|---|---|---|
| 83313 | Gannett | Jun 16 | Sep 9 | 5b |
| 83320 | Carey | Jun 16 | Sep 9 | 6a |
| 83333 | Hailey | May 13 | Oct 2 | 6a |
| 83340 | Ketchum | Jun 8 | Sep 14 | 5b |
| 83348 | Jun 16 | Sep 9 | 6a | |
| 83353 | Sun Valley | May 13 | Oct 2 | 5b |
| 83354 | Sun Valley | May 13 | Oct 2 | 5b |
Nearby counties
Camas County Lincoln County Butte County Gooding County Custer County Elmore County
All Idaho counties · Download Idaho frost dates (CSV)
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