Last frost date in Eau Claire, Wisconsin
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 7.
October 14
Average first frost in fall. 1 year in 10 it comes by September 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Eau Claire 3SW (USC00472425), 2.4 miles from Eau Claire, elevation 880 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 9 | Apr 24 | May 7 |
| First frost in fall | Sept 26 | Oct 14 | Oct 28 |
Frost-free days in an average year: 170
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 5 | Oct 3 |
| Frost (32°F) | Every year | Apr 24 | Oct 14 |
| Hard freeze (28°F) | Every year | Apr 14 | Oct 26 |
Nights at 32°F or colder in an average year: 149
What to plant now in Eau Claire
- Spring planting calendar for an average last frost around April 20 Eau Claire: April 24
- Fall planting calendar for an average first frost around October 10 Eau Claire: October 14
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
- Chippewa Falls 10 mi · last frost May 8
- Menomonie 21 mi · last frost May 9
- River Falls 55 mi · last frost May 11
- Hudson 61 mi · last frost Apr 22
- Onalaska 66 mi · last frost Apr 23
Updated