Last frost date in Detroit, Michigan
April 27
Average last frost in spring. In an early year (1 in 10) it's over by April 12; in a late year (1 in 10) it comes after May 11.
October 25
Average first frost in fall. 1 year in 10 it comes by October 10.
Source: NOAA U.S. Climate Normals 1991–2020, station Dearborn #2 (USC00202016), 4.4 miles from Detroit, elevation 605 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Oak Park, so its frost dates are the same as Detroit's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 12 | Apr 27 | May 11 |
| First frost in fall | Oct 10 | Oct 25 | Nov 7 |
Frost-free days in an average year: 181
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 6 | Oct 13 |
| Frost (32°F) | Every year | Apr 27 | Oct 25 |
| Hard freeze (28°F) | Every year | Apr 15 | Nov 6 |
Nights at 32°F or colder in an average year: 125
What to plant now in Detroit
- Spring planting calendar for an average last frost around April 30 Detroit: April 27
- Fall planting calendar for an average first frost around October 20 Detroit: October 25
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
- Dearborn 7 mi · last frost May 1
- Warren 9 mi · last frost Apr 21
- St. Clair Shores 13 mi · last frost Apr 29
- Livonia 14 mi · last frost May 1
- Troy 14 mi · last frost Apr 26
Updated