Ashland County, Wisconsin · Frost dates
Ashland County frost dates.
First-frost, last-frost, and growing-season length for Ashland County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 06-03
- 20%
- 05-30
- 50%
- 05-20
- 80%
- 05-09
- 90%
- 05-03
First fall frost
- 10%
- 09-19
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-11
- 90%
- 10-15
28°F — killing freeze
Last spring freeze
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-05
- 80%
- 04-26
- 90%
- 04-22
First fall freeze
- 10%
- 09-28
- 20%
- 10-03
- 50%
- 10-12
- 80%
- 10-22
- 90%
- 10-27
Growing season length (days, 28°F threshold)
- Short year
- 130
- Median
- 160
- Long year
- 188
Source NOAA station
ASHLAND 3S, WI US
11.2 mi · 30 yrs of record (1991–2020) · 826 ft elev.
Data from ASHLAND 3S, WI US, 11.2 miles away with 30-year NOAA record (1991-2020).
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