Frost dates in McKenzie County, North Dakota
The average last spring frost in McKenzie County falls May 9 to May 20 and the average first fall frost Sep 20 to Sep 27, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a. Places: Alexander, Arnegard, Watford City. 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 |
|---|---|---|---|---|
| 58634 | May 18 | Sep 23 | 4a | |
| 58831 | Alexander | May 9 | Sep 27 | 4a |
| 58835 | Arnegard | May 9 | Sep 27 | 4a |
| 58838 | May 11 | Sep 27 | 4a | |
| 58847 | May 20 | Sep 20 | 4a | |
| 58854 | Watford City | May 9 | Sep 27 | 4a |
Nearby counties
Williams County Dunn County Billings County Mountrail County Golden Valley County Stark County
All North Dakota counties · Download North Dakota frost dates (CSV)
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