Clay County Climate
Clay County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.5°F
Annual Precip
39.8"
Annual Snowfall
15.2"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
4,023
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Clay County
Climate Verdict
Clay County has a mild, with an average annual temperature of 54.5°F, moderate rainfall of 39.8 inches per year, occasional hot days — 38.1 per year above 90°F, light snow averaging 15.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.3°F. summers are warm — July averages 78.5°F. Residents experience a substantial 50°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Clay County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Clay County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat drier than average for Missouri.
Climate Profile
About Clay County Weather
Classic four-season climate
Clay County averages 54.5°F annually, sitting right in the middle of the national climate distribution. This humid continental zone experiences distinct seasonal changes.
Typical Kansas City weather
The county is slightly cooler than the state average of 54.9°F. It represents the standard climate experience for the northern Kansas City metropolitan region.
Heavier snow than southern peers
Clay leads this group in snowfall with 15.2 inches, nearly three times the amount seen in Cedar County. It remains drier than the state average with 39.8 inches of annual rain.
Cold winters and hot peaks
Extreme heat hits for 38 days each year when temperatures exceed 90°F. Winter averages 31.4°F, which is notably colder than counties in southern Missouri.
Winterize for snow and ice
Winterize your home and vehicle to handle the 15.2 inches of annual snowfall. Summer planning should account for over five weeks of temperatures topping 90°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.