Polk County, Wisconsin · Frost dates
Polk County frost dates.
First-frost, last-frost, and growing-season length for Polk County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-15
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-23
First fall frost
- 10%
- 09-19
- 20%
- 09-24
- 50%
- 10-04
- 80%
- 10-14
- 90%
- 10-18
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-06
- 50%
- 04-27
- 80%
- 04-18
- 90%
- 04-13
First fall freeze
- 10%
- 09-29
- 20%
- 10-04
- 50%
- 10-16
- 80%
- 10-26
- 90%
- 10-31
Growing season length (days, 28°F threshold)
- Short year
- 141
- Median
- 172
- Long year
- 201
Source NOAA station
LUCK, WI US
7.9 mi · 30 yrs of record (1991–2020) · 1220 ft elev.
Data from LUCK, WI US, 7.9 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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