Leavenworth County Climate
Leavenworth County, Kansas
Avg Annual Temp
55.8°F
Annual Precip
39.5"
Annual Snowfall
15.5"
Extreme Heat Days
45.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.