Washburn County, Wisconsin · Frost dates
Washburn County frost dates.
First-frost, last-frost, and growing-season length for Washburn County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-29
- 20%
- 05-25
- 50%
- 05-14
- 80%
- 05-04
- 90%
- 04-30
First fall frost
- 10%
- 09-14
- 20%
- 09-19
- 50%
- 09-28
- 80%
- 10-07
- 90%
- 10-11
28°F — killing freeze
Last spring freeze
- 10%
- 05-19
- 20%
- 05-13
- 50%
- 05-02
- 80%
- 04-25
- 90%
- 04-20
First fall freeze
- 10%
- 09-22
- 20%
- 09-28
- 50%
- 10-07
- 80%
- 10-19
- 90%
- 10-23
Growing season length (days, 28°F threshold)
- Short year
- 126
- Median
- 158
- Long year
- 186
Source NOAA station
SPOONER AG RES STN, WI US
6.1 mi · 30 yrs of record (1991–2020) · 1100 ft elev.
Data from SPOONER AG RES STN, WI US, 6.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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