Frost dates in Butte County, Idaho
The average last spring frost in Butte County falls May 22 to May 24 and the average first fall frost Sep 14 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Arco, Lost River. 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 |
|---|---|---|---|---|
| 83213 | Arco | May 24 | Oct 1 | 5a |
| 83244 | May 24 | Sep 14 | 5a | |
| 83255 | Lost River | May 22 | Sep 22 | 5a |
Nearby counties
Blaine County Bingham County Jefferson County Custer County Clark County Lincoln County
All Idaho counties · Download Idaho frost dates (CSV)
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