Frost dates in Roosevelt County, Montana
The average last spring frost in Roosevelt County falls May 8 to May 24 and the average first fall frost Sep 14 to Sep 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a. Places: Bainville, Brockton, Culbertson, Froid, Poplar, Wolf Point. 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 |
|---|---|---|---|---|
| 59201 | Wolf Point | May 8 | Sep 28 | 4a |
| 59212 | Bainville | May 21 | Sep 20 | 4a |
| 59213 | Brockton | May 24 | Sep 14 | 4a |
| 59218 | Culbertson | May 21 | Sep 20 | 4a |
| 59226 | Froid | May 16 | Sep 18 | 4a |
| 59255 | Poplar | May 24 | Sep 14 | 4a |
Nearby counties
Sheridan County Richland County Daniels County Dawson County McCone County Valley County
All Montana counties · Download Montana frost dates (CSV)
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