Atchison County Climate
Atchison County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.2°F
Annual Precip
36.2"
Annual Snowfall
16.6"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
4,006
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Atchison County
Climate Verdict
Atchison County has a mild, with an average annual temperature of 54.2°F, moderate rainfall of 36.2 inches per year, occasional hot days — 38.1 per year above 90°F, light snow averaging 16.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.3°F. summers are warm — July averages 78.4°F. Residents experience a substantial 51°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Atchison County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Atchison County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably wetter, receiving 5.9 inches more precipitation than the state average, the county experiences 20.081190476190486 fewer extreme heat days than the state average.
Climate Profile
About Atchison County Weather
A classic continental climate profile
Atchison County averages 54.2°F annually, aligning closely with the national median for temperate zones. The area receives 36.2 inches of precipitation, providing a consistent moisture profile throughout the year.
Cooler and snowier than the Kansas norm
The county's average temperature of 54.2°F sits just below the state average of 54.8°F. Atchison is significantly snowier than the average Kansas county, recording 16.6 inches of snowfall annually.
Warmer than northern neighbor Brown County
Atchison County is roughly 1.3 degrees warmer on average than Brown County to its northwest. Despite this, both counties share a similar risk for extreme heat, with Atchison recording 38 days over 90°F.
Brisk winters and humid July peaks
Winters are cold with a January average of 27.3°F and over 16 inches of snow. July brings relief from the chill as temperatures climb to an average of 78.4°F during the peak of summer.
Winterize early and expect snow
Residents should prioritize insulation and winter weather gear to handle the 16.6 inches of annual snow. With 38 extreme heat days, summer cooling remains a necessity even in this cooler part of the state.
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.