Frost dates in Houghton County, Michigan
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The average last spring frost in Houghton County falls May 17 to Jun 1 and the average first fall frost Sep 23 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5b. Places: Atlantic Mine, Chassell, Copper City, Dodgeville, Dollar Bay, Hancock. 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 |
|---|---|---|---|---|
| 49905 | Atlantic Mine | May 17 | Oct 1 | 5b |
| 49913 | Laurium | May 17 | Oct 1 | 5b |
| 49916 | Chassell | Jun 1 | Sep 23 | 5a |
| 49917 | Copper City | May 17 | Oct 1 | 5b |
| 49921 | Dodgeville | May 17 | Oct 1 | 5b |
| 49922 | Dollar Bay | May 17 | Oct 1 | 5b |
| 49930 | Hancock | May 17 | Oct 1 | 5b |
| 49931 | Houghton | May 17 | Oct 1 | 5b |
| 49934 | Hubbell | May 17 | Oct 1 | 5b |
| 49942 | May 17 | Oct 1 | 5b | |
| 49945 | Lake Linden | May 17 | Oct 1 | 5b |
| 49952 | May 25 | Sep 23 | 5a | |
| 49955 | Painesdale | Jun 1 | Sep 23 | 5a |
| 49958 | Pelkie | May 25 | Sep 23 | 5a |
| 49961 | May 25 | Sep 25 | 4b | |
| 49963 | South Range | Jun 1 | Sep 23 | 5a |
| 49965 | May 23 | Oct 1 | 5a | |
| 49967 | May 25 | Sep 25 | 4b |
Nearby counties
Baraga County Keweenaw County Ontonagon County Iron County Marquette County Gogebic County
All Michigan counties · Download Michigan frost dates (CSV)
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