Carroll County Climate
Carroll County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.7°F
Annual Precip
40.3"
Annual Snowfall
13.4"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,838
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Carroll County
Climate Verdict
Carroll County has a mild, with an average annual temperature of 53.7°F, moderately wet with 40.3 inches of annual precipitation, occasional hot days — 38.2 per year above 90°F, light snow averaging 13.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.3°F. summers are warm — July averages 77.5°F. Residents experience a substantial 50°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Carroll County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Carroll County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat drier than average for Missouri.
Climate Profile
About Carroll County Weather
Typical American Heartland Weather
Carroll County averages 53.7°F, aligning closely with the national median temperature. It experiences the balanced four-season pattern typical of the Midwest.
Cooler Than the State Average
It is over a degree cooler than the Missouri average of 54.9°F. The county's 40.3 inches of annual rain is slightly drier than the state norm of 43.8 inches.
Snowier Than Its Neighbors
Carroll shares almost identical temperature stats with Buchanan County. However, its 13.4 inches of annual snowfall is significantly higher than its western neighbors.
Warm Summers and Cold Winters
Summers reach 90°F or higher about 38 times a year. Winters are cold, with a 30.4°F average and 13.4 inches of snow between December and February.
Plan for Snow and Heat
Winter gear should be ready to handle over a foot of annual snowfall. Shaded outdoor spaces are helpful to mitigate the five weeks of extreme summer heat.
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.