Frost dates in Valley County, Idaho
The average last spring frost in Valley County falls May 2 to Jun 12 and the average first fall frost Sep 11 to Oct 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Cascade, Donnelly, McCall, Yellow Pine. 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 |
|---|---|---|---|---|
| 83611 | Cascade | May 2 | Oct 10 | 5a |
| 83615 | Donnelly | May 30 | Sep 19 | 5a |
| 83638 | McCall | Jun 12 | Sep 11 | 5a |
| 83677 | Yellow Pine | Jun 12 | Sep 11 | 5a |
Nearby counties
Adams County Idaho County Washington County Boise County Custer County Lemhi County
All Idaho counties · Download Idaho frost dates (CSV)
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