Last frost date in Fairmont, Minnesota
April 25
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 6.
October 14
Average first frost in fall. 1 year in 10 it comes by September 30.
Source: NOAA U.S. Climate Normals 1991–2020, station Fairmont (USC00212698), 0.1 miles from Fairmont, elevation 1,187 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 12 | Apr 25 | May 6 |
| First frost in fall | Sept 30 | Oct 14 | Oct 26 |
Frost-free days in an average year: 171
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 4 |
| Frost (32°F) | Every year | Apr 25 | Oct 14 |
| Hard freeze (28°F) | Every year | Apr 16 | Oct 24 |
Nights at 32°F or colder in an average year: 151
What to plant now in Fairmont
- Spring planting calendar for an average last frost around April 20 Fairmont: April 25
- Fall planting calendar for an average first frost around October 10 Fairmont: October 14
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
- Mankato 44 mi · last frost Apr 30
- New Ulm 46 mi · last frost Apr 29
- St. Peter 53 mi · last frost May 2
- Albert Lea 55 mi · last frost Apr 27
- Worthington 57 mi · last frost May 3
Updated