Rhea County Climate
Rhea County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.8°F
Annual Precip
59.1"
Annual Snowfall
1.5"
Extreme Heat Days
31
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,227
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Rhea County
Climate Verdict
Rhea County has a mild, with an average annual temperature of 57.8°F, very wet conditions receiving 59.1 inches of precipitation annually, occasional hot days — 30.6 per year above 90°F, light snow averaging 1.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.3°F. summers are warm — July averages 77.0°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
Rhea County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat wetter than average for Tennessee.
Climate Profile
About Rhea County Weather
Classic Tennessee Valley Climate
Rhea County averages 57.8°F annually, staying warmer than the national median. The region's humid subtropical climate supports lush vegetation and mild seasons.
Near the Tennessee State Average
The county’s annual temperature is nearly identical to the Tennessee state average of 58.1°F. It represents the typical weather pattern found across the state's interior.
Drier Than Highland Neighbors
While Rhea gets a substantial 59.1 inches of rain, it is drier than neighboring Putnam County. Snow is also much rarer here, with only 1.5 inches annually.
Long Summers and Short Winters
Summer heat lasts for about a month, with 31 days reaching at least 90°F. Winters are manageable with a December-to-February average of 39.6°F.
Cooling and Light Winter Layers
Maintain your air conditioning system to handle the month-long stretch of 90-degree days. You can skip the heavy snow gear, as the county rarely sees more than two inches of snow.
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.