Frost dates in Bannock County, Idaho
The average last spring frost in Bannock County falls May 2 to May 31 and the average first fall frost Sep 18 to Oct 11, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6b. Places: Arimo, Downey, Fort Hall, Inkom, Lava Hot Springs, McCammon. 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 |
|---|---|---|---|---|
| 83201 | Pocatello | May 16 | Oct 2 | 6b |
| 83202 | Fort Hall | May 20 | Sep 20 | 6a |
| 83209 | Pocatello | May 2 | Oct 11 | 6a |
| 83214 | Arimo | May 23 | Sep 24 | 6b |
| 83234 | Downey | May 31 | Sep 18 | 6b |
| 83245 | Inkom | May 16 | Oct 2 | 6a |
| 83246 | Lava Hot Springs | May 21 | Sep 21 | 6b |
| 83250 | McCammon | May 23 | Sep 24 | 5b |
| 83281 | May 16 | Sep 28 | 5b |
Nearby counties
Caribou County Power County Oneida County Bingham County Franklin County Bear Lake County
All Idaho counties · Download Idaho frost dates (CSV)
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