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Benton County Climate

Benton County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.6°AVG °F

Avg Annual Temp

59.6°F

Annual Precip

51.7"

Annual Snowfall

3.4"

Extreme Heat Days

51

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.0"
4.5"
4.6"
4.7"
5.4"
4.2"
4.1"
3.5"
3.4"
4.0"
4.4"
5.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

4,781

Excellent for heat-loving crops

Last spring frost (32°F): 04/08
First fall frost (32°F): 11/01

Seasonal Overview

Comfort ZoneSpring51°68°14.7"Summer76°79°11.7"Fall50°72°11.7"Winter38°43°13.6"20°40°60°80°100°

National Comparison

Warmer than 70% of US counties
Wetter than 81% of US counties
More seasonal variation than 41% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Benton County

Climate Verdict

Benton County has a mild, with an average annual temperature of 59.6°F, moderately wet with 51.7 inches of annual precipitation, occasional hot days — 50.6 per year above 90°F, light snow averaging 3.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 38.3°F. summers are warm — July averages 79.3°F. The 41°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

Benton County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee.

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.

Frequently Asked Questions

What is the average temperature in Benton County?
The average annual temperature in Benton County, TN is 59.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Benton County get?
Benton County receives an average of 51.7 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Benton County?
Yes, Benton County receives an average of 3.4 inches of snowfall per year according to NOAA climate normals.
How hot does Benton County get in summer?
The average summer temperature (June-August) in Benton County is 77.9°F. The county experiences an average of 51 days per year above 90°F.
How cold are winters in Benton County?
The average winter temperature (December-February) in Benton County is 40.8°F. January, typically the coldest month, averages 38.3°F.

Track your own weather in Benton County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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