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 (19912020) · 826 ft elev.

Data from ASHLAND 3S, WI US, 11.2 miles away with 30-year NOAA record (1991-2020).

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