Eau Claire County, Wisconsin · Frost dates
Eau Claire County frost dates.
First-frost, last-frost, and growing-season length for Eau Claire County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-15
- 50%
- 05-07
- 80%
- 04-28
- 90%
- 04-23
First fall frost
- 10%
- 09-17
- 20%
- 09-22
- 50%
- 10-01
- 80%
- 10-10
- 90%
- 10-14
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-06
- 50%
- 04-26
- 80%
- 04-18
- 90%
- 04-13
First fall freeze
- 10%
- 09-25
- 20%
- 10-01
- 50%
- 10-11
- 80%
- 10-21
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 137
- Median
- 168
- Long year
- 196
Source NOAA station
AUGUSTA RS, WI US
8.0 mi · 30 yrs of record (1991–2020) · 960 ft elev.
Data from AUGUSTA RS, WI US, 8 miles away with 30-year NOAA record (1991-2020).
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