Last frost date in Warren, Michigan
April 21
Average last frost in spring. In an early year (1 in 10) it's over by April 7; in a late year (1 in 10) it comes after May 6.
October 31
Average first frost in fall. 1 year in 10 it comes by October 17.
Source: NOAA U.S. Climate Normals 1991–2020, station Detroit City AP (USW00014822), 5.8 miles from Warren, elevation 626 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Ferndale, Hamtramck, Hazel Park, Madison Heights and Royal Oak, so their frost dates are the same as Warren's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 7 | Apr 21 | May 6 |
| First frost in fall | Oct 17 | Oct 31 | Nov 11 |
Frost-free days in an average year: 190
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 1 | Oct 18 |
| Frost (32°F) | Every year | Apr 21 | Oct 31 |
| Hard freeze (28°F) | Every year | Apr 8 | Nov 9 |
Nights at 32°F or colder in an average year: 113
What to plant now in Warren
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 20 Warren: April 21
- Fall planting calendar for an average first frost around October 30 Warren: October 31
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
- Sterling Heights 6 mi · last frost Apr 30
- St. Clair Shores 7 mi · last frost Apr 29
- Detroit 9 mi · last frost Apr 27
- Troy 9 mi · last frost Apr 26
- Dearborn 16 mi · last frost May 1
Updated