Frost dates in Aitkin County, Minnesota
The average last spring frost in Aitkin County falls May 7 to May 31 and the average first fall frost Sep 18 to Oct 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a. Places: Aitkin, Hill City, Isle, McGrath, McGregor, Palisade. 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 |
|---|---|---|---|---|
| 55748 | Hill City | May 16 | Oct 1 | 4a |
| 55752 | May 7 | Oct 3 | 4a | |
| 55760 | McGregor | May 31 | Sep 18 | 4a |
| 55785 | May 16 | Oct 1 | 4a | |
| 55787 | Tamarack | May 31 | Sep 18 | 4a |
| 56342 | Isle | May 10 | Oct 3 | 4a |
| 56350 | McGrath | May 10 | Oct 3 | 4a |
| 56431 | Aitkin | May 16 | Sep 28 | 4a |
| 56469 | Palisade | May 7 | Oct 3 | 4a |
Nearby counties
Crow Wing County Carlton County Pine County Cass County Itasca County Kanabec County
All Minnesota counties · Download Minnesota frost dates (CSV)
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