Frost dates in St. Clair County, Michigan
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The average last spring frost in St. Clair County falls Apr 19 to May 12 and the average first fall frost Oct 5 to Nov 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 6b. Places: Capac, Emmett, Lakeport, Marine City, Marysville, Memphis. 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 |
|---|---|---|---|---|
| 48001 | Pearl Beach | May 3 | Oct 18 | 6b |
| 48002 | May 1 | Oct 20 | 6a | |
| 48006 | May 12 | Oct 5 | 6a | |
| 48014 | Capac | May 12 | Oct 5 | 6a |
| 48022 | Emmett | May 12 | Oct 5 | 6a |
| 48023 | May 3 | Oct 18 | 6b | |
| 48027 | May 1 | Oct 20 | 6a | |
| 48028 | May 3 | Oct 18 | 6b | |
| 48032 | May 4 | Oct 24 | 6a | |
| 48039 | Marine City | May 3 | Oct 18 | 6b |
| 48040 | Marysville | Apr 19 | Nov 3 | 6a |
| 48041 | Memphis | May 1 | Oct 20 | 6a |
| 48049 | Ruby | Apr 19 | Nov 3 | 6a |
| 48054 | May 3 | Oct 18 | 6a | |
| 48059 | Lakeport | Apr 19 | Nov 3 | 6a |
| 48060 | Port Huron | Apr 19 | Nov 3 | 6b |
| 48063 | May 1 | Oct 20 | 6a | |
| 48064 | May 1 | Oct 20 | 6a | |
| 48074 | Apr 19 | Nov 3 | 6a | |
| 48079 | St. Clair | Apr 19 | Nov 3 | 6a |
| 48097 | Yale | May 12 | Oct 5 | 6a |
Nearby counties
Macomb County Lapeer County Sanilac County Oakland County Wayne County Genesee County
All Michigan counties · Download Michigan frost dates (CSV)
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