Last frost date in Caledonia, Wisconsin
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 11; in a late year (1 in 10) it comes after May 10.
October 24
Average first frost in fall. 1 year in 10 it comes by October 10.
Source: NOAA U.S. Climate Normals 1991–2020, station Racine Batten AP (USW00094818), 4.1 miles from Caledonia, elevation 674 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 11 | Apr 24 | May 10 |
| First frost in fall | Oct 10 | Oct 24 | Nov 5 |
Frost-free days in an average year: 180
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 7 | Oct 13 |
| Frost (32°F) | Every year | Apr 24 | Oct 24 |
| Hard freeze (28°F) | Every year | Apr 11 | Nov 4 |
Nights at 32°F or colder in an average year: 126
What to plant now in Caledonia
- Spring planting calendar for an average last frost around April 20 Caledonia: April 24
- Fall planting calendar for an average first frost around October 20 Caledonia: October 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 Wisconsin
- Oak Creek 6 mi · last frost Apr 22
- Racine 6 mi · last frost Apr 20
- Cudahy 10 mi · last frost Apr 19
- Kenosha 15 mi · last frost Apr 28
- West Allis 16 mi · last frost Apr 26