Lyon County Climate
Lyon County, Kansas
Avg Annual Temp
54.8°F
Annual Precip
35.6"
Annual Snowfall
12.9"
Extreme Heat Days
46.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lyon County Weather
Standard Kansas Climate in Central Lyon
Lyon County's 54.8°F average temperature is slightly higher than the national median. With 35.6 inches of rain, it is wetter than many other counties in the central U.S.
Average Temperature with Above-Average Rain
Lyon perfectly matches the 54.8°F Kansas state average temperature. However, it receives about 5 inches more precipitation than the typical Kansas county.
Milder Snowfall Than Western Kansas
Lyon experiences more snowfall than southern Labette but less than western Lane. It shares a similar extreme heat profile with Leavenworth, recording 46 days over 90°F.
Typical Plains Heat and Cold Januaries
Summers feature 46 days of heat over 90°F and a July average of 78.3°F. Winter brings a colder January average of 29.9°F and nearly 13 inches of snow.
Plan for Below-Freezing January Nights
Residents should prepare for moderate snow of 13 inches and consistent spring rain. Efficient heating is important as January averages stay below the freezing mark.
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.