Carter County Climate
Carter County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.9°F
Annual Precip
48.0"
Annual Snowfall
6.0"
Extreme Heat Days
18
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,772
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Carter County
Climate Verdict
Carter County has a mild, with an average annual temperature of 55.9°F, moderately wet with 48.0 inches of annual precipitation, rare extreme heat with only 17.5 days above 90°F annually, light snow averaging 6.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.9°F. summers are warm — July averages 74.5°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Carter County closely matches the Tennessee statewide average temperature of 58.0°F, it is also noticeably drier, receiving 7.6 inches less precipitation than the state average, the county experiences 18.95992831541217 fewer extreme heat days than the state average.
Climate Profile
About Carter County Weather
Temperate Mountain Air Above National Medians
Carter County averages 55.9°F annually, which is slightly warmer than the national median but cool for the South. The higher elevation provides a break from the intense heat found in lower-lying states.
One of Tennessee's Cooler Regions
At 55.9°F, the county is notably cooler than the state average of 58.1°F. It is also drier than most of the state, receiving 48.0 inches of rain compared to the Tennessee average of 55.9 inches.
Lower Heat Risk Than Central Tennessee
The county sees only 18 extreme heat days per year, far fewer than the 54 days seen in Cheatham County. Its 6.0 inches of annual snowfall is nearly double that of many western neighbors.
Mild Summers and Crisp Winters
Summer averages are a comfortable 73.1°F, and July rarely becomes oppressive with an average of 74.5°F. Winters are cold but not extreme, averaging 38.1°F from December through February.
Gear Up for Outdoor Recreation
The 18 extreme heat days mean heavy air conditioning is less critical than in the rest of Tennessee. Residents should prepare for 6.0 inches of snow with basic winter tires and insulated layers.
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.