Frost dates in Phillips County, Montana
The average last spring frost in Phillips County falls May 15 to May 24 and the average first fall frost Sep 22 to Sep 23, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 3b to 4b. Places: Lodge Pole, Loring Colony, Malta, Saco, Whitewater, Zortman. 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 |
|---|---|---|---|---|
| 59261 | Saco | May 15 | Sep 23 | 3b |
| 59524 | Lodge Pole | May 24 | Sep 22 | 4a |
| 59537 | Loring Colony | May 19 | Sep 22 | 3b |
| 59538 | Malta | May 16 | Sep 23 | 4a |
| 59544 | Whitewater | May 19 | Sep 22 | 3b |
| 59546 | Zortman | May 18 | Sep 23 | 4b |
Nearby counties
Blaine County Valley County Petroleum County Garfield County Fergus County Hill County
All Montana counties · Download Montana frost dates (CSV)
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