Rhea County Climate
Rhea County, Tennessee
Avg Annual Temp
57.8°F
Annual Precip
59.1"
Annual Snowfall
1.5"
Extreme Heat Days
30.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.