Last frost date in Chaska, Minnesota
May 5
Average last frost in spring. In an early year (1 in 10) it's over by April 21; in a late year (1 in 10) it comes after May 19.
October 5
Average first frost in fall. 1 year in 10 it comes by September 22.
Source: NOAA U.S. Climate Normals 1991–2020, station Chaska 2NW (USC00211468), 1.1 miles from Chaska, elevation 923 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Victoria and Waconia, so their frost dates are the same as Chaska's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 21 | May 5 | May 19 |
| First frost in fall | Sept 22 | Oct 5 | Oct 18 |
Frost-free days in an average year: 151
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 16 | Sept 27 |
| Frost (32°F) | Every year | May 5 | Oct 5 |
| Hard freeze (28°F) | Every year | Apr 23 | Oct 16 |
Nights at 32°F or colder in an average year: 161
What to plant now in Chaska
- Spring planting calendar for an average last frost around April 30 Chaska: May 5
- Fall planting calendar for an average first frost around September 30 Chaska: October 5
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
- Chanhassen 4 mi · last frost Apr 30
- Eden Prairie 8 mi · last frost Apr 23
- Bloomington 14 mi · last frost Apr 23
- Plymouth 16 mi · last frost Apr 29
- Minneapolis 20 mi · last frost Apr 23
Updated