Last frost date in Rochester, Minnesota
April 30
Average last frost in spring. In an early year (1 in 10) it's over by April 15; in a late year (1 in 10) it comes after May 13.
October 6
Average first frost in fall. 1 year in 10 it comes by September 22.
Source: NOAA U.S. Climate Normals 1991–2020, station Rochester International AP (USW00014925), 7.6 miles from Rochester, elevation 1,304 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 15 | Apr 30 | May 13 |
| First frost in fall | Sept 22 | Oct 6 | Oct 20 |
Frost-free days in an average year: 159
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 9 | Sept 28 |
| Frost (32°F) | Every year | Apr 30 | Oct 6 |
| Hard freeze (28°F) | Every year | Apr 18 | Oct 17 |
Nights at 32°F or colder in an average year: 156
What to plant now in Rochester
- Spring planting calendar for an average last frost around April 30 Rochester: April 30
- Fall planting calendar for an average first frost around October 10 Rochester: 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 Minnesota
Updated