Brown County Climate
Brown County, Kansas
Avg Annual Temp
52.9°F
Annual Precip
36.3"
Annual Snowfall
13.8"
Extreme Heat Days
37.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Brown County Weather
Cooler temperatures on the northern plains
Brown County has an average annual temperature of 52.9°F, which is lower than the national median. It receives 36.3 inches of precipitation, providing ample moisture for its agricultural landscape.
One of the chillier corners of Kansas
At 52.9°F, Brown County is nearly two degrees cooler than the Kansas state average. It also experiences more winter intensity, with 13.8 inches of annual snowfall.
Colder winters than eastern neighbors
Brown County is notably cooler than Atchison County, with a January average of just 26.0°F. While both see 38 extreme heat days, Brown's winter average of 29.1°F makes it a colder regional outlier.
Moderate summers and biting winter cold
July averages 77.4°F, providing a relatively mild summer compared to southern Kansas. However, January is harsh, with temperatures averaging 26.0°F and nearly 14 inches of seasonal snow.
Prioritize insulation and winter readiness
Homeowners should focus on high-quality insulation and heating systems to combat the cold January averages. Snow removal equipment is a necessity for managing the 13.8 inches of annual snowfall.
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.