weatherbycounty

Chariton County Climate

Chariton County, Missouri

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec54.0°AVG °F

Avg Annual Temp

54.0°F

Annual Precip

40.2"

Annual Snowfall

12.2"

Extreme Heat Days

30

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.5"
1.9"
2.8"
4.0"
5.3"
5.5"
4.3"
3.7"
3.6"
3.4"
2.4"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

3,923

Supports most vegetables & fruits

Last spring frost (32°F): 04/12
First fall frost (32°F): 10/29

Seasonal Overview

Comfort ZoneSpring43°64°12.1"Summer74°78°13.5"Fall43°68°9.4"Winter28°33°5.2"20°40°60°80°100°

National Comparison

Warmer than 48% of US counties
Wetter than 46% of US counties
More seasonal variation than 81% of US counties

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

What is the average temperature in Chariton County?
The average annual temperature in Chariton County, MO is 54.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Chariton County get?
Chariton County receives an average of 40.2 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Chariton County?
Yes, Chariton County receives an average of 12.2 inches of snowfall per year according to NOAA climate normals.
How hot does Chariton County get in summer?
The average summer temperature (June-August) in Chariton County is 75.7°F. The county experiences an average of 30 days per year above 90°F.
How cold are winters in Chariton County?
The average winter temperature (December-February) in Chariton County is 30.9°F. January, typically the coldest month, averages 27.8°F.

Track your own weather in Chariton County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
← Back to Missouri