Monroe County, Wisconsin · Frost dates
Monroe County frost dates.
First-frost, last-frost, and growing-season length for Monroe County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-22
- 20%
- 05-18
- 50%
- 05-09
- 80%
- 05-01
- 90%
- 04-26
First fall frost
- 10%
- 09-18
- 20%
- 09-23
- 50%
- 10-01
- 80%
- 10-09
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-13
- 20%
- 05-08
- 50%
- 04-29
- 80%
- 04-20
- 90%
- 04-15
First fall freeze
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-11
- 80%
- 10-19
- 90%
- 10-24
Growing season length (days, 28°F threshold)
- Short year
- 137
- Median
- 165
- Long year
- 192
Source NOAA station
SPARTA, WI US
9.8 mi · 30 yrs of record (1991–2020) · 782 ft elev.
Data from SPARTA, WI US, 9.8 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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