Brown County Climate

Brown County, Kansas

JanFebMarAprMayJunJulAugSepOctNovDec52.9°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
1.2"
2.1"
3.7"
5.0"
4.9"
4.9"
4.1"
3.5"
3.1"
1.8"
1.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring41°64°10.8"Summer73°77°13.9"Fall41°67°8.3"Winter26°31°3.3"20°40°60°80°100°

National Comparison

Warmer than 43% of US counties
Wetter than 36% of US counties
More seasonal variation than 79% of US counties

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

What is the average temperature in Brown County?
The average annual temperature in Brown County, KS is 52.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Brown County get?
Brown County receives an average of 36.3 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 13.8 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 75.3°F. The county experiences an average of 37.6 days per year above 90°F.
How cold are winters in Brown County?
The average winter temperature (December-February) in Brown County is 29.1°F. January, typically the coldest month, averages 26.0°F.

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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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