Chariton County Climate
Chariton County, Missouri
Avg Annual Temp
54.0°F
Annual Precip
40.2"
Annual Snowfall
12.2"
Extreme Heat Days
29.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.