Brown County Climate

Brown County, Wisconsin

JanFebMarAprMayJunJulAugSepOctNovDec45.0°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.4"
1.1"
1.8"
3.0"
3.4"
4.1"
3.6"
3.4"
3.2"
2.7"
2.0"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring31°56°8.3"Summer65°70°11.1"Fall36°61°7.9"Winter18°24°4.2"20°40°60°80°100°

National Comparison

Warmer than 13% of US counties
Wetter than 28% of US counties
More seasonal variation than 81% of US counties

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

What is the average temperature in Brown County?
The average annual temperature in Brown County, WI is 45.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Brown County get?
Brown County receives an average of 31.4 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Brown County?
Yes, Brown County receives an average of 56.5 inches of snowfall per year according to NOAA climate normals.
How hot does Brown County get in summer?
The average summer temperature (June-August) in Brown County is 67.8°F. The county experiences an average of 5.3 days per year above 90°F.
How cold are winters in Brown County?
The average winter temperature (December-February) in Brown County is 20.7°F. January, typically the coldest month, averages 17.5°F.

Track your own weather in Brown County

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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.

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