Brown County Climate
Brown County, Minnesota
Avg Annual Temp
45.1°F
Annual Precip
30.3"
Annual Snowfall
40.3"
Extreme Heat Days
9.65
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Brown County Weather
A Balanced Four-Season Climate
Brown County averages 45.1°F annually, trailing the national median by about 8 degrees. It experiences the full range of continental weather, from deep snow to humid heat.
Exceeding the State Average
With an average of 45.1°F, Brown County is 2.3 degrees warmer than the Minnesota state average. It ranks as one of the more temperate counties in the southern region.
Comparing Brown to the Southern Tier
Brown is slightly cooler than Blue Earth (46.3°F) but follows a similar pattern of 10 extreme heat days. Its 40.3 inches of snowfall is lower than many central Minnesota counties.
Frequent Heat and Cold Winters
Summer heat is common, with 10 days reaching 90°F or more and a July average of 71.8°F. Winter averages 17.9°F, creating a substantial snow season of 40.3 inches.
Dual-Season Home Preparation
HVAC systems must be prepared for both intense summer heat and the 14.4°F January average. Snow removal is a priority, but so is managing the 30.3 inches of annual rainfall.
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.