Last frost date in St. Paul, Minnesota
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 10.
October 16
Average first frost in fall. 1 year in 10 it comes by October 2.
Source: NOAA U.S. Climate Normals 1991–2020, station St Paul Downtown AP (USW00014927), 2.6 miles from St. Paul, elevation 700 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Inver Grove Heights, South St. Paul and West St. Paul, so their frost dates are the same as St. Paul's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 9 | Apr 24 | May 10 |
| First frost in fall | Oct 2 | Oct 16 | Oct 29 |
Frost-free days in an average year: 174
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 5 |
| Frost (32°F) | Every year | Apr 24 | Oct 16 |
| Hard freeze (28°F) | Every year | Apr 13 | Oct 27 |
Nights at 32°F or colder in an average year: 146
What to plant now in St. Paul
- Spring planting calendar for an average last frost around April 20 St. Paul: April 24
- Fall planting calendar for an average first frost around October 20 St. Paul: October 16
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
- Mendota Heights 5 mi · last frost Apr 25
- Roseville 5 mi · last frost Apr 28
- Maplewood 6 mi · last frost Apr 23
- Minneapolis 8 mi · last frost Apr 23
- Woodbury 9 mi · last frost Apr 26