Frost dates in Liberty County, Montana
The average last spring frost in Liberty County falls May 16 to May 30 and the average first fall frost Sep 11 to Sep 23, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a. Places: Camrose Colony, Joplin, Riverview Colony, Whitlash. 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 |
|---|---|---|---|---|
| 59456 | Camrose Colony | May 16 | Sep 23 | 4a |
| 59461 | May 24 | Sep 17 | 4a | |
| 59522 | Riverview Colony | May 24 | Sep 17 | 4a |
| 59531 | Joplin | May 30 | Sep 11 | 4a |
| 59545 | Whitlash | May 23 | Sep 14 | 4a |
Nearby counties
Toole County Hill County Chouteau County Pondera County Teton County Cascade County
All Montana counties · Download Montana frost dates (CSV)
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