Overton County Climate
Overton County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.4°F
Annual Precip
53.5"
Annual Snowfall
2.3"
Extreme Heat Days
28
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,178
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Overton County
Climate Verdict
Overton County has a mild, with an average annual temperature of 57.4°F, moderately wet with 53.5 inches of annual precipitation, occasional hot days — 28.2 per year above 90°F, light snow averaging 2.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.9°F. summers are warm — July averages 76.6°F. The 40°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
Overton County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee.
Climate Profile
About Overton County Weather
Temperate Living on the Highland Rim
Overton County’s annual average temperature of 57.4°F is slightly above the national median of 55°F. It enjoys a temperate climate with moderate rainfall and manageable summer heat.
Cooler and Drier than State Norms
Overton is cooler than the 58.1°F Tennessee average and drier than the 55.9-inch state precipitation average. This makes it one of the more temperate and less humid areas in Middle Tennessee.
Lower Heat Frequency than Neighbors
Overton records only 28 extreme heat days, which is nearly half the amount seen in Moore County. It also receives 53.5 inches of rain, keeping it drier than many regional peers.
Moderate Summers and Brisk Winters
The county enjoys a July average of 76.6°F, which is milder than many other parts of the state. Winters bring a January average of 36.9°F and a modest 2.3 inches of snowfall.
Versatile Wardrobes for Moderate Seasons
With only 28 extreme heat days and light snowfall, residents can focus on versatile, layered clothing. The 53.5 inches of rain suggests a need for standard home roof maintenance and gutter care.
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.