Last frost date in Oshkosh, Wisconsin
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 10; in a late year (1 in 10) it comes after May 8.
October 20
Average first frost in fall. 1 year in 10 it comes by October 4.
Source: NOAA U.S. Climate Normals 1991–2020, station Oshkosh (USC00476330), 0.3 miles from Oshkosh, elevation 750 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 10 | Apr 24 | May 8 |
| First frost in fall | Oct 4 | Oct 20 | Nov 2 |
Frost-free days in an average year: 178
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 6 |
| Frost (32°F) | Every year | Apr 24 | Oct 20 |
| Hard freeze (28°F) | Every year | Apr 13 | Oct 31 |
Nights at 32°F or colder in an average year: 143
What to plant now in Oshkosh
- Spring planting calendar for an average last frost around April 20 Oshkosh: April 24
- Fall planting calendar for an average first frost around October 20 Oshkosh: October 20
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
- Fond du Lac 18 mi · last frost Apr 27
- Appleton 20 mi · last frost May 4
- Waupun 28 mi · last frost May 1
- De Pere 37 mi · last frost Apr 30
- Hobart 38 mi · last frost May 1
Updated