Frost dates in Montmorency County, Michigan

Lake Michigan shoreline below the bluffs at Sleeping Bear Dunes in winter, Michigan — Photo: Isabella Rick, CC BY 3.0, via Wikimedia Commons

The average last spring frost in Montmorency County falls May 22 and the average first fall frost Sep 27, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Atlanta, Hillman. 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
49709	Atlanta	May 22	Sep 27	5a
49746	Hillman	May 22	Sep 27	5a

Nearby counties

Presque Isle County Oscoda County Alpena County Otsego County Cheboygan County Alcona County

All Michigan counties · Download Michigan frost dates (CSV)

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