Brown County Climate
Brown County, Wisconsin
Avg Annual Temp
45.0°F
Annual Precip
31.4"
Annual Snowfall
56.5"
Extreme Heat Days
5.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Brown County Weather
Moderate Temperatures for the Midwest
Brown County averages 45.0°F annually, which is roughly 9 degrees cooler than the national median. This climate is typical for the Great Lakes region, featuring cold winters and warm summers.
Slightly Above the State Average
At 45.0°F, Brown County is slightly warmer than the Wisconsin state average of 44.4°F. The county benefits from some proximity to Green Bay, which can slightly moderate local temperatures.
Comparable to Neighboring Calumet
Brown County's climate closely mirrors Calumet County, though it is about half a degree cooler on average. It is significantly drier than Buffalo County, receiving about 5 inches less annual precipitation.
Consistent Cold and Gentle Summers
The county sees 56.5 inches of snowfall and maintains a January average of 17.5°F. Summer heat is rarely oppressive, with only 5 days per year reaching 90°F or more.
A Balanced Approach to Home Comfort
With 56.5 inches of snow, residents should maintain reliable snow removal tools. The 5 days of extreme heat mean standard air conditioning is usually sufficient for the summer months.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.