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Henry County Climate

JanFebMarAprMayJunJulAugSepOctNovDec58.0°AVG °F

Avg Annual Temp

58.0°F

Annual Precip

55.0"

Annual Snowfall

5.2"

Extreme Heat Days

33

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.0"
4.9"
5.3"
5.2"
5.7"
4.3"
4.4"
3.8"
3.9"
3.8"
4.5"
5.1"
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

4,443

Excellent for heat-loving crops

Last spring frost (32°F): 04/07
First fall frost (32°F): 10/31

Seasonal Overview

Comfort ZoneSpring48°67°16.3"Summer75°78°12.5"Fall48°71°12.3"Winter36°40°14.0"20°40°60°80°100°

National Comparison

Warmer than 64% of US counties
Wetter than 88% of US counties
More seasonal variation than 45% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Henry County

Climate Verdict

Henry County has a mild, with an average annual temperature of 58.0°F, very wet conditions receiving 55.0 inches of precipitation annually, occasional hot days — 33 per year above 90°F, light snow averaging 5.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 36.2°F. summers are warm — July averages 78.0°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

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

Climate Profile

About Henry County Weather

A balanced temperate climate

Henry County's annual average of 58.0°F is very close to the state average and above the national median. It receives 55.0 inches of precipitation annually, typical for the humid inland South.

Aligns with state averages

Henry County mirrors the Tennessee state average temperature of 58.1°F almost perfectly. Its rainfall of 55.0 inches also falls right in line with the state's 55.9-inch norm.

Cooler than southern neighbors

Located further north, Henry is cooler than Henderson and Hardeman counties. This latitude difference results in 5.2 inches of snow, significantly more than the 1.5 inches seen in Henderson.

Distinctive four-season cycle

The county sees 33 days of extreme heat, which is fewer than its southern neighbors. However, winters are more pronounced with a January average of 36.2°F and over 5 inches of snow.

Prepare for all weather

Residents need a versatile wardrobe to handle both the 33 days of 90°F heat and the 5.2 inches of snow. Ensure your home is insulated for winter lows that average in the mid-30s.

Frequently Asked Questions

What is the average temperature in Henry County?
The average annual temperature in Henry County, TN is 58.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Henry County get?
Henry County receives an average of 55.0 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 Henry County?
Yes, Henry County receives an average of 5.2 inches of snowfall per year according to NOAA climate normals.
How hot does Henry County get in summer?
The average summer temperature (June-August) in Henry County is 76.6°F. The county experiences an average of 33 days per year above 90°F.
How cold are winters in Henry County?
The average winter temperature (December-February) in Henry County is 38.6°F. January, typically the coldest month, averages 36.2°F.

Track your own weather in Henry 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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