Last frost date in Mitchell, South Dakota
May 2
Average last frost in spring. In an early year (1 in 10) it's over by April 19; in a late year (1 in 10) it comes after May 15.
October 6
Average first frost in fall. 1 year in 10 it comes by September 23.
Source: NOAA U.S. Climate Normals 1991–2020, station Mitchell 2 N (USC00395671), 1.2 miles from Mitchell, elevation 1,250 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 19 | May 2 | May 15 |
| First frost in fall | Sept 23 | Oct 6 | Oct 19 |
Frost-free days in an average year: 156
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 11 | Sept 27 |
| Frost (32°F) | Every year | May 2 | Oct 6 |
| Hard freeze (28°F) | Every year | Apr 21 | Oct 16 |
Nights at 32°F or colder in an average year: 168
What to plant now in Mitchell
- Spring planting calendar for an average last frost around April 30 Mitchell: May 2
- Fall planting calendar for an average first frost around October 10 Mitchell: October 6
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 South Dakota
- Huron 45 mi · last frost May 6
- Yankton 66 mi · last frost Apr 27
- Sioux Falls 67 mi · last frost Apr 26
- Harrisburg 70 mi · last frost May 2
- Brandon 73 mi · last frost May 1
Updated