Leavenworth County Climate
Leavenworth County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.8°F
Annual Precip
39.4"
Annual Snowfall
15.5"
Extreme Heat Days
46
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,281
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Leavenworth County
Climate Verdict
Leavenworth County has a mild, with an average annual temperature of 55.8°F, moderate rainfall of 39.4 inches per year, occasional hot days — 45.6 per year above 90°F, light snow averaging 15.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.0°F. summers are warm — July averages 79.9°F. The 50°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Leavenworth County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably wetter, receiving 9.1 inches more precipitation than the state average.
Climate Profile
About Leavenworth County Weather
Temperate and Humid Northeastern Climate
Leavenworth’s 55.8°F average temperature sits roughly two degrees above the national median. Its 39.4 inches of annual precipitation makes it much wetter than the average American county.
Warmer and Wetter Than the State Mean
The county is warmer and wetter than the Kansas averages of 54.8°F and 30.3 inches. It ranks as one of the more humid and temperate regions in the state.
More Rain Than Central Kansas Counties
Leavenworth is wetter than Lyon County, receiving about 4 extra inches of rain annually. It experiences similar snowfall levels to Kiowa but with much higher humidity.
Hot Julys and Damp Winters
Summer brings 46 days of heat over 90°F and a July average near 80.0°F. Winters are cold and damp, averaging 32.8°F with 15.5 inches of snow.
Focus on Moisture and Winter Prep
High humidity and 40 inches of rain require consistent home exterior maintenance. Residents should winterize pipes early as January averages dip to exactly 30.0°F.
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.