Benton County Climate
Benton County, Tennessee
Avg Annual Temp
59.6°F
Annual Precip
51.7"
Annual Snowfall
3.4"
Extreme Heat Days
50.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Benton County Weather
Classic Southern Warmth and Humidity
Benton County averages 59.6°F, placing it nearly 5 degrees above the national median. It receives 51.7 inches of rain annually, characterizing its humid subtropical climate.
Warmer but Drier Than State Averages
Benton is 1.5 degrees warmer than the Tennessee state average. Interestingly, it receives about 4 inches less rain than the state average of 55.9 inches, making it a slightly drier pocket of the region.
Frequent Heat Compared to Regional Peers
Benton experiences 51 days of extreme heat, significantly more than Anderson or Bledsoe. While it shares a mean temperature with Bedford, it is much drier, receiving nearly 10 inches less rain per year.
Hot July Peaks and Brief Winters
July is the hottest month at 79.3°F, part of a summer that sees temperatures hit 90°F for over seven weeks. Winters average 40.8°F and produce a modest 3.4 inches of snow.
Prioritize Sun Protection and Irrigation
The high frequency of 90-degree days suggests a need for robust cooling and outdoor shade structures. Gardeners should plan for supplemental watering during the hot summers, as it is drier than neighboring counties.
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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.