Rusk County, Wisconsin · Frost dates

Rusk County frost dates.

First-frost, last-frost, and growing-season length for Rusk County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 5a

32°F — light freeze

Last spring frost

10%
06-08
20%
06-04
50%
05-27
80%
05-18
90%
05-14

First fall frost

10%
09-06
20%
09-12
50%
09-22
80%
10-01
90%
10-04

28°F — killing freeze

Last spring freeze

10%
05-30
20%
05-25
50%
05-15
80%
05-05
90%
05-01

First fall freeze

10%
09-17
20%
09-22
50%
10-01
80%
10-10
90%
10-16

Growing season length (days, 28°F threshold)

Short year
110
Median
139
Long year
168

Source NOAA station

LADYSMITH 3W, WI US

0.8 mi · 30 yrs of record (19912020) · 1130 ft elev.

Data from LADYSMITH 3W, WI US, 0.8 miles away with 30-year NOAA record (1991-2020).

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