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Cheatham County Climate

Cheatham County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec58.9°AVG °F

Avg Annual Temp

58.9°F

Annual Precip

50.8"

Annual Snowfall

1.4"

Extreme Heat Days

54

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.9"
4.4"
4.7"
4.7"
5.5"
4.2"
4.2"
3.3"
3.8"
3.6"
3.7"
4.8"
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

4,574

Excellent for heat-loving crops

Last spring frost (32°F): 04/13
First fall frost (32°F): 11/01

Seasonal Overview

Comfort ZoneSpring49°67°14.9"Summer75°79°11.6"Fall49°71°11.2"Winter38°41°13.1"20°40°60°80°100°

National Comparison

Warmer than 67% of US counties
Wetter than 78% of US counties
More seasonal variation than 40% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Cheatham County

Climate Verdict

Cheatham County has a mild, with an average annual temperature of 58.9°F, moderately wet with 50.8 inches of annual precipitation, occasional hot days — 54.45 per year above 90°F, light snow averaging 1.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 38.0°F. summers are warm — July averages 78.8°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

Cheatham County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee, the county experiences 17.990071684587832 more extreme heat days than the state average.

Climate Profile

About Cheatham County Weather

Significant Warmth Compared to National Median

Cheatham County’s average temperature of 58.9°F is nearly six degrees higher than the national median. This climate is defined by high humidity and consistent year-round warmth.

Warmer and Drier Than State Averages

The county runs warmer than the Tennessee average of 58.1°F. While the state averages 55.9 inches of rain, Cheatham receives slightly less at 50.8 inches annually.

An Epicenter for Extreme Heat

With 54 days of extreme heat annually, Cheatham is one of the hottest counties in the region. It experiences far more 90-degree days than neighbors like Carter or Coffee County.

Oppressive Summers and Damp Winters

July averages 78.8°F, contributing to a hot summer mean of 77.2°F. Winter snowfall is negligible at 1.4 inches, with temperatures staying mild at an average of 40.1°F.

Prioritize Cooling and Hydration

Robust HVAC systems are a necessity to handle nearly two months of extreme heat days. Snow gear is rarely needed given the minimal 1.4 inches of annual accumulation.

Frequently Asked Questions

What is the average temperature in Cheatham County?
The average annual temperature in Cheatham County, TN is 58.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cheatham County get?
Cheatham County receives an average of 50.8 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 Cheatham County?
Yes, Cheatham County receives an average of 1.4 inches of snowfall per year according to NOAA climate normals.
How hot does Cheatham County get in summer?
The average summer temperature (June-August) in Cheatham County is 77.2°F. The county experiences an average of 54 days per year above 90°F.
How cold are winters in Cheatham County?
The average winter temperature (December-February) in Cheatham County is 40.1°F. January, typically the coldest month, averages 38.0°F.

Track your own weather in Cheatham 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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