Last frost date in Hudson, Wisconsin
April 22
Average last frost in spring. In an early year (1 in 10) it's over by April 7; in a late year (1 in 10) it comes after May 6.
October 19
Average first frost in fall. 1 year in 10 it comes by October 3.
Source: NOAA U.S. Climate Normals 1991–2020, station Stillwater 1 SE (USC00218037), 6.3 miles from Hudson, elevation 710 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for New Richmond, so its frost dates are the same as Hudson's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 7 | Apr 22 | May 6 |
| First frost in fall | Oct 3 | Oct 19 | Nov 3 |
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 2 | Oct 8 |
| Frost (32°F) | Every year | Apr 22 | Oct 19 |
| Hard freeze (28°F) | Every year | Apr 12 | Oct 30 |
Nights at 32°F or colder in an average year: 147
What to plant now in Hudson
- Spring planting calendar for an average last frost around April 20 Hudson: April 22
- Fall planting calendar for an average first frost around October 20 Hudson: October 19
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
- River Falls 9 mi · last frost May 11
- Menomonie 40 mi · last frost May 9
- Eau Claire 61 mi · last frost Apr 24
- Chippewa Falls 66 mi · last frost May 8
- Onalaska 106 mi · last frost Apr 23