Last frost date in Bemidji, Minnesota
May 17
Average last frost in spring. In an early year (1 in 10) it's over by May 3; in a late year (1 in 10) it comes after May 30.
September 26
Average first frost in fall. 1 year in 10 it comes by September 12.
Source: NOAA U.S. Climate Normals 1991–2020, station Cass Lake (USC00211374), 14.4 miles from Bemidji, elevation 1,296 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 3 | May 17 | May 30 |
| First frost in fall | Sept 12 | Sept 26 | Oct 11 |
Frost-free days in an average year: 131
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 28 | Sept 17 |
| Frost (32°F) | Every year | May 17 | Sept 26 |
| Hard freeze (28°F) | Every year | May 7 | Oct 6 |
Nights at 32°F or colder in an average year: 187
What to plant now in Bemidji
- Spring planting calendar for an average last frost around May 20 Bemidji: May 17
- Fall planting calendar for an average first frost around September 30 Bemidji: September 26
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
- Detroit Lakes 65 mi · last frost May 15
- Grand Rapids 65 mi · last frost May 17
- Brainerd 85 mi · last frost May 8
- Hibbing 91 mi · last frost June 5
- Moorhead 97 mi · last frost May 5
Updated