Last frost date in Grand Rapids, 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 31.
September 24
Average first frost in fall. 1 year in 10 it comes by September 10.
Source: NOAA U.S. Climate Normals 1991–2020, station Grand Rpds Forest Lab (USC00213303), 1.7 miles from Grand Rapids, elevation 1,310 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 31 |
| First frost in fall | Sept 10 | Sept 24 | Oct 7 |
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 29 | Sept 15 |
| Frost (32°F) | Every year | May 17 | Sept 24 |
| Hard freeze (28°F) | Every year | May 6 | Oct 5 |
Nights at 32°F or colder in an average year: 187
What to plant now in Grand Rapids
- Spring planting calendar for an average last frost around May 20 Grand Rapids: May 17
- Fall planting calendar for an average first frost around September 20 Grand Rapids: 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
- Hibbing 30 mi · last frost June 5
- Cloquet 60 mi · last frost May 26
- Bemidji 65 mi · last frost May 17
- Hermantown 68 mi · last frost May 18
- Brainerd 69 mi · last frost May 8
Updated