Brown County Climate
Brown County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.9°F
Annual Precip
36.3"
Annual Snowfall
13.8"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,736
Supports most vegetables & fruits
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 mild, with an average annual temperature of 52.9°F, moderate rainfall of 36.3 inches per year, occasional hot days — 37.6 per year above 90°F, light snow averaging 13.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.0°F. summers are warm — July averages 77.4°F. Residents experience a substantial 51°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Brown County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Brown County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably wetter, receiving 6.0 inches more precipitation than the state average, the county experiences 20.581190476190486 fewer extreme heat days than the state average.
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 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.