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Henderson County Climate

Henderson County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.2°AVG °F

Avg Annual Temp

59.2°F

Annual Precip

54.8"

Annual Snowfall

1.5"

Extreme Heat Days

52

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.5"
4.7"
4.7"
5.2"
6.1"
4.3"
4.3"
3.4"
3.9"
4.2"
4.2"
5.4"
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

4,667

Excellent for heat-loving crops

Last spring frost (32°F): 04/05
First fall frost (32°F): 10/30

Seasonal Overview

Comfort ZoneSpring50°68°16.0"Summer76°79°11.9"Fall49°72°12.3"Winter38°42°14.6"20°40°60°80°100°

National Comparison

Warmer than 68% of US counties
Wetter than 87% of US counties
More seasonal variation than 41% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Henderson County

Climate Verdict

Henderson County has a mild, with an average annual temperature of 59.2°F, moderately wet with 54.8 inches of annual precipitation, occasional hot days — 51.6 per year above 90°F, light snow averaging 1.5 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 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

Henderson County closely matches the Tennessee statewide average temperature of 58.0°F, the county experiences 15.14007168458783 more extreme heat days than the state average.

Climate Profile

About Henderson County Weather

Warm and consistently wet

Henderson County averages 59.2°F annually, placing it among the warmer half of U.S. counties. Its 54.8 inches of annual rain is slightly below the state average but remains high by national standards.

Typical West Tennessee warmth

At 59.2°F, the county is about one degree warmer than the Tennessee state average. It ranks as a moderately warm county within the state's diverse climate profile.

A middle ground for temperature

Henderson is cooler than nearby Haywood County but slightly warmer than Henry County to the north. This central location in West Tennessee creates a balanced but warm regional climate.

Long summers and brief winters

The county averages 52 days of extreme heat above 90°F, making for a long and intense summer season. Snow is a rare sight, with the county receiving only 1.5 inches in an average year.

Focus on summer maintenance

With over 50 days of extreme heat, air conditioning maintenance is the most critical home task. Winter preparations are less about snow and more about managing the 54.8 inches of annual rainfall.

Frequently Asked Questions

What is the average temperature in Henderson County?
The average annual temperature in Henderson County, TN is 59.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Henderson County get?
Henderson County receives an average of 54.8 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 Henderson County?
Yes, Henderson County receives an average of 1.5 inches of snowfall per year according to NOAA climate normals.
How hot does Henderson County get in summer?
The average summer temperature (June-August) in Henderson County is 77.5°F. The county experiences an average of 52 days per year above 90°F.
How cold are winters in Henderson County?
The average winter temperature (December-February) in Henderson County is 40.2°F. January, typically the coldest month, averages 37.6°F.

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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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