Frost dates in Garfield County, Montana
The average last spring frost in Garfield County falls May 5 to May 25 and the average first fall frost Sep 14 to Oct 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a to 4b. Places: Jordan. 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 |
|---|---|---|---|---|
| 59058 | May 5 | Oct 4 | 4b | |
| 59077 | May 5 | Oct 4 | 4b | |
| 59312 | May 15 | Sep 25 | 4a | |
| 59318 | May 18 | Sep 20 | 4b | |
| 59322 | May 25 | Sep 14 | 4a | |
| 59337 | Jordan | May 21 | Sep 18 | 4a |
Nearby counties
Petroleum County McCone County Rosebud County Treasure County Musselshell County Phillips County
All Montana counties · Download Montana frost dates (CSV)
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