Frost dates in Lemhi County, Idaho
The average last spring frost in Lemhi County falls May 3 to Jun 12 and the average first fall frost Sep 6 to Oct 8, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 6a. Places: Leadore, Salmon. 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 |
|---|---|---|---|---|
| 83253 | Jun 12 | Sep 6 | 5a | |
| 83462 | May 17 | Sep 24 | 5b | |
| 83463 | Jun 1 | Sep 17 | 5b | |
| 83464 | Leadore | Jun 11 | Sep 10 | 5a |
| 83465 | Jun 12 | Sep 6 | 5b | |
| 83466 | May 3 | Oct 8 | 6a | |
| 83467 | Salmon | May 17 | Sep 24 | 5b |
| 83468 | May 17 | Sep 24 | 5b | |
| 83469 | May 11 | Sep 30 | 5b |
Nearby counties
Custer County Valley County Clark County Butte County Blaine County Jefferson County
All Idaho counties · Download Idaho frost dates (CSV)
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