Frost dates in Roscommon County, Michigan
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The average last spring frost in Roscommon County falls May 19 to May 20 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 5a. Places: Houghton Lake, Prudenville, Roscommon, St. Helen. 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 |
|---|---|---|---|---|
| 48627 | May 19 | Sep 23 | 5a | |
| 48629 | Houghton Lake | May 20 | Oct 1 | 5a |
| 48630 | Houghton Lake | May 20 | Oct 1 | 5a |
| 48651 | Prudenville | May 19 | Sep 23 | 5a |
| 48653 | Roscommon | May 19 | Sep 23 | 5a |
| 48656 | St. Helen | May 19 | Sep 23 | 5a |
Nearby counties
Missaukee County Crawford County Ogemaw County Gladwin County Clare County Kalkaska County
All Michigan counties · Download Michigan frost dates (CSV)
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