Frost dates in Rolette County, North Dakota
The average last spring frost in Rolette County falls May 19 to May 22 and the average first fall frost Sep 20 to Sep 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 3b. Places: East Dunseith, Mylo, Rolette, Rolla, Shell Valley, St. John. 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 |
|---|---|---|---|---|
| 58310 | May 22 | Sep 20 | 3b | |
| 58316 | Shell Valley | May 19 | Sep 24 | 3b |
| 58329 | East Dunseith | May 19 | Sep 24 | 3b |
| 58353 | Mylo | May 22 | Sep 20 | 3b |
| 58366 | Rolette | May 22 | Sep 20 | 3b |
| 58367 | Rolla | May 20 | Sep 26 | 3b |
| 58369 | St. John | May 19 | Sep 24 | 3b |
Nearby counties
Towner County Pierce County Bottineau County Benson County Cavalier County Ramsey County
All North Dakota counties · Download North Dakota frost dates (CSV)
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