Last frost date in De Pere, Wisconsin
April 30
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 9
Average first frost in fall. 1 year in 10 it comes by September 24.
Source: NOAA U.S. Climate Normals 1991–2020, station Green Bay (USW00014898), 4.9 miles from De Pere, elevation 682 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Allouez, Ashwaubenon and Bellevue, so their frost dates are the same as De Pere's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 16 | Apr 30 | May 16 |
| First frost in fall | Sept 24 | Oct 9 | Oct 26 |
Frost-free days in an average year: 161
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 13 | Sept 29 |
| Frost (32°F) | Every year | Apr 30 | Oct 9 |
| Hard freeze (28°F) | Every year | Apr 17 | Oct 24 |
Nights at 32°F or colder in an average year: 152
What to plant now in De Pere
- Spring planting calendar for an average last frost around April 30 De Pere: April 30
- Fall planting calendar for an average first frost around October 10 De Pere: October 9
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
- Hobart 6 mi · last frost May 1
- Green Bay 8 mi · last frost May 7
- Appleton 19 mi · last frost May 4
- Manitowoc 30 mi · last frost Apr 30
- Two Rivers 31 mi · last frost Apr 27