Winnebago County, Wisconsin · Frost dates
Winnebago County frost dates.
First-frost, last-frost, and growing-season length for Winnebago County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-24
- 80%
- 04-15
- 90%
- 04-10
First fall frost
- 10%
- 10-04
- 20%
- 10-09
- 50%
- 10-20
- 80%
- 10-30
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-21
- 50%
- 04-13
- 80%
- 04-04
- 90%
- 03-31
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 10-31
- 80%
- 11-09
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 174
- Median
- 201
- Long year
- 227
Source NOAA station
OSHKOSH, WI US
7.1 mi · 30 yrs of record (1991–2020) · 750 ft elev.
Data from OSHKOSH, WI US, 7.1 miles away with 30-year NOAA record (1991-2020).
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