Michigan frost dates by county and ZIP code
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Across 992 Michigan ZIP codes the average last spring frost runs Apr 17 to Jun 7 and the average first fall frost Sep 9 to Nov 5 (50% odds, 32°F, NOAA 1991–2020 normals), with USDA hardiness zones. Download the table as CSV.
Counties
- Alcona
- Alger
- Allegan
- Alpena
- Antrim
- Arenac
- Baraga
- Barry
- Bay
- Benzie
- Berrien
- Branch
- Calhoun
- Cass
- Charlevoix
- Cheboygan
- Chippewa
- Clare
- Clinton
- Crawford
- Delta
- Dickinson
- Eaton
- Emmet
- Genesee
- Gladwin
- Gogebic
- Grand Traverse
- Gratiot
- Hillsdale
- Houghton
- Huron
- Ingham
- Ionia
- Iosco
- Iron
- Isabella
- Jackson
- Kalamazoo
- Kalkaska
- Kent
- Keweenaw
- Lake
- Lapeer
- Leelanau
- Lenawee
- Livingston
- Luce
- Mackinac
- Macomb
- Manistee
- Marquette
- Mason
- Mecosta
- Menominee
- Midland
- Missaukee
- Monroe
- Montcalm
- Montmorency
- Muskegon
- Newaygo
- Oakland
- Oceana
- Ogemaw
- Ontonagon
- Osceola
- Oscoda
- Otsego
- Ottawa
- Presque Isle
- Roscommon
- Saginaw
- Sanilac
- Schoolcraft
- Shiawassee
- St. Clair
- St. Joseph
- Tuscola
- Van Buren
- Washtenaw
- Wayne
- Wexford
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