Last frost date in Waupun, Wisconsin
May 1
Average last frost in spring. In an early year (1 in 10) it's over by April 16; in a late year (1 in 10) it comes after May 16.
October 11
Average first frost in fall. 1 year in 10 it comes by September 27.
Source: NOAA U.S. Climate Normals 1991–2020, station Town Of Westford (USC00478540), 13.2 miles from Waupun, elevation 879 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 16 | May 1 | May 16 |
| First frost in fall | Sept 27 | Oct 11 | Oct 25 |
Frost-free days in an average year: 163
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 11 | Oct 1 |
| Frost (32°F) | Every year | May 1 | Oct 11 |
| Hard freeze (28°F) | Every year | Apr 19 | Oct 22 |
Nights at 32°F or colder in an average year: 157
What to plant now in Waupun
- Spring planting calendar for an average last frost around April 30 Waupun: May 1
- Fall planting calendar for an average first frost around October 10 Waupun: October 11
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
- Beaver Dam 12 mi · last frost May 2
- Fond du Lac 18 mi · last frost Apr 27
- Hartford 28 mi · last frost May 8
- Oshkosh 28 mi · last frost Apr 24
- Watertown 31 mi · last frost Apr 28
Updated