Roane County Climate
Roane County, Tennessee
Avg Annual Temp
58.0°F
Annual Precip
59.6"
Annual Snowfall
1.9"
Extreme Heat Days
34.599999999999994
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Roane County Weather
A Moderate Southern Profile
Roane County’s 58.0°F average temperature sits right at the national median for a humid subtropical zone. The climate is characterized by warm summers and short, cool winters.
Perfectly Average for Tennessee
At 58.0°F, Roane is almost exactly in line with the Tennessee state average of 58.1°F. It serves as a benchmark for the state's weather patterns.
Comparing Valley Heat Trends
Roane experiences 35 days of extreme heat, slightly more than Rhea’s 31 days. It receives a healthy 59.6 inches of rain, keeping the landscape green year-round.
Warm Summers with Rare Snow
July temperatures average 77.3°F, contributing to five weeks of 90-degree weather. Snow remains a rarity, averaging just 1.9 inches per year.
Manage Humidity and Summer Heat
Use dehumidifiers to stay comfortable during the rainy 59-inch seasons. Plan for high energy usage in the summer when temperatures frequently exceed 90°F.
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.