Frost dates in Billings County, North Dakota
The average last spring frost in Billings County falls May 9 to May 19 and the average first fall frost Sep 20 to Sep 30, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a to 4b. Places: Belfield, Medora. 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 |
|---|---|---|---|---|
| 58622 | Belfield | May 9 | Sep 30 | 4b |
| 58627 | May 12 | Sep 28 | 4a | |
| 58645 | Medora | May 19 | Sep 20 | 4a |
Nearby counties
Golden Valley County Slope County Stark County Dunn County McKenzie County Bowman County
All North Dakota counties · Download North Dakota frost dates (CSV)
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