Ozaukee County, Wisconsin · Frost dates
Ozaukee County frost dates.
First-frost, last-frost, and growing-season length for Ozaukee 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%
- 05-17
- 50%
- 05-05
- 80%
- 04-25
- 90%
- 04-20
First fall frost
- 10%
- 09-27
- 20%
- 10-02
- 50%
- 10-12
- 80%
- 10-22
- 90%
- 10-27
28°F — killing freeze
Last spring freeze
- 10%
- 05-09
- 20%
- 05-02
- 50%
- 04-22
- 80%
- 04-12
- 90%
- 04-07
First fall freeze
- 10%
- 10-08
- 20%
- 10-14
- 50%
- 10-25
- 80%
- 11-01
- 90%
- 11-07
Growing season length (days, 28°F threshold)
- Short year
- 152
- Median
- 186
- Long year
- 214
Source NOAA station
BELGIUM WWTP, WI US
0.9 mi · 30 yrs of record (1991–2020) · 731 ft elev.
Data from BELGIUM WWTP, WI US, 0.9 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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