Last frost date in Beaver Dam, Wisconsin
May 2
Average last frost in spring. In an early year (1 in 10) it's over by April 19; 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 25.
Source: NOAA U.S. Climate Normals 1991–2020, station Beaver Dam Wwtp (USC00470645), 1.9 miles from Beaver Dam, elevation 861 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 19 | May 2 | May 16 |
| First frost in fall | Sept 25 | Oct 9 | Oct 23 |
Frost-free days in an average year: 157
| 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 | May 2 | Oct 9 |
| Hard freeze (28°F) | Every year | Apr 22 | Oct 20 |
Nights at 32°F or colder in an average year: 152
What to plant now in Beaver Dam
- Spring planting calendar for an average last frost around April 30 Beaver Dam: May 2
- Fall planting calendar for an average first frost around October 10 Beaver Dam: 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
- Waupun 12 mi · last frost May 1
- Watertown 20 mi · last frost Apr 28
- Hartford 25 mi · last frost May 8
- Sun Prairie 28 mi · last frost May 1
- Fond du Lac 29 mi · last frost Apr 27
Updated