Brown County Climate
Brown County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.0°F
Annual Precip
31.4"
Annual Snowfall
56.5"
Extreme Heat Days
5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,330
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Brown County
Climate Verdict
Brown County has a cool, averaging 45.0°F annually, moderate rainfall of 31.4 inches per year, rare extreme heat with only 5.3 days above 90°F annually, moderate snowfall of 56.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.5°F. summers are pleasantly cool with July averaging 69.9°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Brown County closely matches the Wisconsin statewide average temperature of 44.4°F, it is somewhat drier than average for Wisconsin.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.