Frost dates in Sanders County, Montana
The average last spring frost in Sanders County falls May 7 to May 20 and the average first fall frost Sep 20 to Oct 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 6b. Places: Belknap, Dixon, Heron, Lonepine, Niarada, Noxon. 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 |
|---|---|---|---|---|
| 59831 | Dixon | May 12 | Oct 2 | 6a |
| 59844 | Heron | May 20 | Sep 20 | 6b |
| 59845 | Niarada | May 15 | Sep 28 | 6a |
| 59848 | Lonepine | May 15 | Sep 28 | 6a |
| 59853 | Noxon | May 20 | Sep 20 | 6a |
| 59856 | Paradise | May 17 | Sep 23 | 6a |
| 59859 | Weeksville | May 17 | Sep 23 | 6a |
| 59873 | Belknap | May 7 | Oct 4 | 6a |
| 59874 | Trout Creek | May 20 | Sep 21 | 6a |
Nearby counties
Mineral County Lake County Flathead County Missoula County Lincoln County Ravalli County
All Montana counties · Download Montana frost dates (CSV)
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