Frost dates in Bay County, Michigan
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The average last spring frost in Bay County falls Apr 26 to May 5 and the average first fall frost Oct 10 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Auburn, Bay City, Essexville, Pinconning. 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 |
|---|---|---|---|---|
| 48611 | Auburn | May 3 | Oct 14 | 6a |
| 48613 | May 5 | Oct 10 | 5b | |
| 48631 | May 3 | Oct 14 | 6a | |
| 48634 | May 3 | Oct 14 | 6a | |
| 48650 | Pinconning | May 5 | Oct 10 | 6a |
| 48706 | Bay City | May 3 | Oct 14 | 6a |
| 48708 | Bay City | Apr 27 | Oct 20 | 6a |
| 48710 | Apr 26 | Oct 17 | 6a | |
| 48732 | Essexville | Apr 27 | Oct 20 | 6a |
| 48747 | Apr 27 | Oct 20 | 6a |
Nearby counties
Midland County Saginaw County Arenac County Gladwin County Tuscola County Gratiot County
All Michigan counties · Download Michigan frost dates (CSV)
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