Last frost date in Bay City, Michigan
April 27
Average last frost in spring. In an early year (1 in 10) it's over by April 15; in a late year (1 in 10) it comes after May 11.
October 20
Average first frost in fall. 1 year in 10 it comes by October 5.
Source: NOAA U.S. Climate Normals 1991–2020, station Essexville (USC00202631), 2.8 miles from Bay City, elevation 588 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 15 | Apr 27 | May 11 |
| First frost in fall | Oct 5 | Oct 20 | Nov 2 |
Frost-free days in an average year: 173
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 6 | Oct 7 |
| Frost (32°F) | Every year | Apr 27 | Oct 20 |
| Hard freeze (28°F) | Every year | Apr 17 | Nov 1 |
Nights at 32°F or colder in an average year: 139
What to plant now in Bay City
- Spring planting calendar for an average last frost around April 30 Bay City: April 27
- Fall planting calendar for an average first frost around October 20 Bay City: October 20
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Michigan
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