Frost dates in Dickinson County, Michigan
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The average last spring frost in Dickinson County falls May 17 to Jun 5 and the average first fall frost Sep 10 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5a. Places: Iron Mountain, Kingsford, Norway, Quinnesec. 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 |
|---|---|---|---|---|
| 49801 | Iron Mountain | May 25 | Sep 24 | 4b |
| 49802 | Kingsford | May 17 | Oct 1 | 4b |
| 49815 | Jun 5 | Sep 10 | 4b | |
| 49831 | May 25 | Sep 24 | 4b | |
| 49834 | May 17 | Oct 1 | 4b | |
| 49852 | May 17 | Oct 1 | 5a | |
| 49870 | Norway | May 17 | Oct 1 | 4b |
| 49876 | Quinnesec | May 17 | Oct 1 | 4b |
| 49877 | May 26 | Sep 25 | 4b | |
| 49881 | May 24 | Sep 25 | 4b | |
| 49892 | May 17 | Oct 1 | 5a |
Nearby counties
Menominee County Iron County Marquette County Delta County Baraga County Alger County
All Michigan counties · Download Michigan frost dates (CSV)
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