Frost dates for Eau Claire, Wisconsin
In a typical year, Eau Claire’s last spring frost lands around Apr 24 and the first fall frost around Oct 14, a growing season of about 173 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 4b.
Right now the typical frost season has arrived; planting waits for spring.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 9 | Sep 26 |
| 50 percent | Apr 24 | Oct 14 |
| 90 percent | May 7 | Oct 28 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Eau Claire is typically around 47°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Eau Claire
- Garlic (Music)
Timing comes from the same temperature engine the app uses, run against Eau Claire’s normals for today.
Common questions
When is the last frost in Eau Claire, Wisconsin?
Eau Claire’s last spring frost falls around April 24 in a typical year. One year in ten it is done by April 9, and one year in ten frost holds on until May 7. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Eau Claire?
The first fall frost arrives around October 14 in a typical year, as early as September 26 in an early year and as late as October 28 in a late one.
How long is the growing season in Eau Claire?
About 173 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Eau Claire in?
Eau Claire is in USDA hardiness zone 4b under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- River Falls, WI (around May 11 to Oct 1)
- La Crosse, WI (around Apr 23 to Oct 17)
- Rochester, MN (around Apr 30 to Oct 6)
- Saint Paul, MN (around Apr 25 to Oct 12)
- Minneapolis, MN (around Apr 23 to Oct 16)
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