Lyon County Climate
Lyon County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.8°F
Annual Precip
35.6"
Annual Snowfall
12.9"
Extreme Heat Days
46
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,970
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lyon County
Climate Verdict
Lyon County has a mild, with an average annual temperature of 54.8°F, moderate rainfall of 35.6 inches per year, occasional hot days — 46.4 per year above 90°F, light snow averaging 12.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.9°F. summers are warm — July averages 78.3°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Lyon County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Lyon County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably wetter, receiving 5.3 inches more precipitation than the state average.
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 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.