weatherbycounty

Carroll County Climate

Carroll County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.1°AVG °F

Avg Annual Temp

59.1°F

Annual Precip

55.9"

Annual Snowfall

3.3"

Extreme Heat Days

47

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.2"
4.6"
5.5"
5.3"
5.9"
4.7"
4.7"
3.6"
3.5"
4.0"
4.7"
5.3"
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

4,698

Excellent for heat-loving crops

Last spring frost (32°F): 04/02
First fall frost (32°F): 10/31

Seasonal Overview

Comfort ZoneSpring50°68°16.6"Summer76°79°13.0"Fall49°71°12.2"Winter38°41°14.1"20°40°60°80°100°

National Comparison

Warmer than 68% of US counties
Wetter than 89% of US counties
More seasonal variation than 44% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Carroll County

Climate Verdict

Carroll County has a mild, with an average annual temperature of 59.1°F, very wet conditions receiving 55.9 inches of precipitation annually, occasional hot days — 46.5 per year above 90°F, light snow averaging 3.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 37.6°F. summers are warm — July averages 79.3°F. The 42°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

Carroll County closely matches the Tennessee statewide average temperature of 58.0°F.

Climate Profile

About Carroll County Weather

Carroll County is Warmer Than National Averages

The county's average annual temperature of 59.1°F sits well above the national median. This reflects a humid subtropical climate characterized by long, warm summers.

Running Hotter than the Tennessee Average

Carroll County is roughly one degree warmer than the Tennessee state average of 58.1°F. While its temperature is higher, its 55.9 inches of annual precipitation matches the state average exactly.

A Rainy West Tennessee Staple

The county records 47 extreme heat days annually, which is significantly higher than many eastern neighbors. Its 55.9 inches of rain keeps the landscape lush compared to drier regions of the country.

Hot Summers and Very Little Snow

July temperatures average a sweltering 79.3°F, contributing to a summer average of 77.8°F. Winters are mild at 39.8°F, and the county sees only 3.3 inches of annual snowfall.

Prepare for Humid Heat and Rain

Residents should maintain efficient cooling systems to handle 47 days of temperatures reaching 90°F or higher. Light winter gear is sufficient for the modest 3.3 inches of snow typically recorded.

Frequently Asked Questions

What is the average temperature in Carroll County?
The average annual temperature in Carroll County, TN is 59.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Carroll County get?
Carroll County receives an average of 55.9 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 Carroll County?
Yes, Carroll County receives an average of 3.3 inches of snowfall per year according to NOAA climate normals.
How hot does Carroll County get in summer?
The average summer temperature (June-August) in Carroll County is 77.8°F. The county experiences an average of 47 days per year above 90°F.
How cold are winters in Carroll County?
The average winter temperature (December-February) in Carroll County is 39.8°F. January, typically the coldest month, averages 37.6°F.

Track your own weather in Carroll County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Tennessee