Last frost date in Detroit Lakes, Minnesota
May 15
Average last frost in spring. In an early year (1 in 10) it's over by May 2; in a late year (1 in 10) it comes after May 30.
September 24
Average first frost in fall. 1 year in 10 it comes by September 9.
Source: NOAA U.S. Climate Normals 1991–2020, station Detroit Lakes 1 Nne (USC00212142), 2.1 miles from Detroit Lakes, elevation 1,355 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | May 2 | May 15 | May 30 |
| First frost in fall | Sept 9 | Sept 24 | Oct 6 |
Frost-free days in an average year: 130
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 26 | Sept 13 |
| Frost (32°F) | Every year | May 15 | Sept 24 |
| Hard freeze (28°F) | Every year | May 5 | Oct 3 |
Nights at 32°F or colder in an average year: 177
What to plant now in Detroit Lakes
- Spring planting calendar for an average last frost around May 10 Detroit Lakes: May 15
- Fall planting calendar for an average first frost around September 20 Detroit Lakes: September 24
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 Minnesota
- Fergus Falls 38 mi · last frost May 4
- Moorhead 43 mi · last frost May 5
- Bemidji 65 mi · last frost May 17
- Alexandria 68 mi · last frost May 2
- Brainerd 84 mi · last frost May 8
Updated