Frost dates in Itasca County, Minnesota
The average last spring frost in Itasca County falls May 14 to Jun 5 and the average first fall frost Sep 8 to Oct 2, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 3b to 4a. Places: Ball Club, Bigfork, Calumet, Cohasset, Coleraine, Effie. 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 |
|---|---|---|---|---|
| 55709 | Taconite | May 17 | Sep 24 | 3b |
| 55716 | Calumet | May 17 | Sep 24 | 4a |
| 55721 | Cohasset | May 16 | Oct 1 | 4a |
| 55722 | Coleraine | May 17 | Sep 24 | 4a |
| 55742 | Goodland | May 17 | Sep 24 | 4a |
| 55744 | Grand Rapids | May 17 | Sep 24 | 4a |
| 55753 | Keewatin | Jun 5 | Sep 8 | 4a |
| 55764 | Marble | May 17 | Sep 24 | 4a |
| 55769 | Nashwauk | Jun 5 | Sep 8 | 3b |
| 55775 | Jun 5 | Sep 8 | 4a | |
| 55781 | Jun 1 | Sep 15 | 3b | |
| 55784 | May 29 | Sep 18 | 4a | |
| 55786 | Taconite | May 17 | Sep 24 | 4a |
| 55793 | Warba | May 17 | Sep 24 | 4a |
| 56628 | Bigfork | May 14 | Oct 2 | 3b |
| 56636 | Ball Club | May 16 | Oct 1 | 3b |
| 56637 | May 14 | Oct 2 | 3b | |
| 56639 | Effie | May 14 | Oct 2 | 3b |
| 56657 | May 14 | Oct 2 | 3b | |
| 56659 | May 14 | Oct 2 | 3b | |
| 56680 | May 14 | Oct 2 | 3b | |
| 56681 | Squaw Lake | May 24 | Sep 17 | 3b |
| 56688 | May 14 | Oct 2 | 3b |
Nearby counties
St. Louis County Cass County Aitkin County Koochiching County Beltrami County Hubbard County
All Minnesota counties · Download Minnesota frost dates (CSV)
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