Frost dates in Benewah County, Idaho
The average last spring frost in Benewah County falls May 3 to May 15 and the average first fall frost Sep 21 to Oct 5, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b. Places: De Smet, Fernwood, Plummer, St. Maries, Tensed. 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 |
|---|---|---|---|---|
| 83824 | De Smet | May 15 | Sep 21 | 6b |
| 83830 | Fernwood | May 3 | Oct 4 | 6b |
| 83851 | Plummer | May 11 | Oct 5 | 6b |
| 83861 | St. Maries | May 3 | Oct 4 | 6b |
| 83866 | May 3 | Oct 4 | 6b | |
| 83870 | Tensed | May 15 | Sep 21 | 6b |
Nearby counties
Latah County Kootenai County Shoshone County Clearwater County Nez Perce County Lewis County
All Idaho counties · Download Idaho frost dates (CSV)
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