Chariton County Climate
Chariton County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.0°F
Annual Precip
40.2"
Annual Snowfall
12.2"
Extreme Heat Days
30
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,923
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Chariton County
Climate Verdict
Chariton County has a mild, with an average annual temperature of 54.0°F, moderately wet with 40.2 inches of annual precipitation, occasional hot days — 29.7 per year above 90°F, light snow averaging 12.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.8°F. summers are warm — July averages 77.6°F. The 50°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Chariton County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Chariton County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat drier than average for Missouri.
Climate Profile
About Chariton County Weather
A typical humid continental climate
Chariton County matches the national median with an annual average temperature of 54.0°F. The climate features clear seasonal shifts characteristic of the American Heartland.
Cooler than the state average
The county sits just below the Missouri state average of 54.9°F. It represents the transition into the cooler climate found in the northern half of the state.
Drier rain but heavier snow
Chariton receives 12.2 inches of snow, more than double what Cedar County sees to the south. Its 40.2 inches of annual rain makes it drier than the state average of 43.8 inches.
Distinct winters and warm summers
Summer peaks with a July average of 77.6°F, while winters dip to a chilly 27.8°F in January. The area experiences 30 days of extreme heat where temperatures top 90°F.
Prep for snow and freezes
Keep snow removal tools ready for the 12.2-inch annual snowfall average. Ensure home insulation is robust enough to handle the 27.8°F January freeze.
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.