Last frost date in Wausau, Wisconsin
May 6
Average last frost in spring. In an early year (1 in 10) it's over by April 24; in a late year (1 in 10) it comes after May 21.
October 4
Average first frost in fall. 1 year in 10 it comes by September 21.
Source: NOAA U.S. Climate Normals 1991–2020, station Wausau Dwtn AP (USW00014897), 2.7 miles from Wausau, elevation 1,181 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Weston, so its frost dates are the same as Wausau's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 24 | May 6 | May 21 |
| First frost in fall | Sept 21 | Oct 4 | Oct 18 |
Frost-free days in an average year: 150
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 19 | Sept 25 |
| Frost (32°F) | Every year | May 6 | Oct 4 |
| Hard freeze (28°F) | Every year | Apr 26 | Oct 16 |
Nights at 32°F or colder in an average year: 163
What to plant now in Wausau
- Spring planting calendar for an average last frost around May 10 Wausau: May 6
- Fall planting calendar for an average first frost around September 30 Wausau: October 4
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
- Stevens Point 31 mi · last frost May 4
- Marshfield 33 mi · last frost May 5
- Wisconsin Rapids 40 mi · last frost May 9
- Appleton 78 mi · last frost May 4
- Hobart 80 mi · last frost May 1
Updated