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Madison County Climate

Madison County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec59.7°AVG °F

Avg Annual Temp

59.7°F

Annual Precip

55.3"

Annual Snowfall

3.6"

Extreme Heat Days

60

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.2"
4.6"
5.7"
5.2"
5.7"
4.8"
4.6"
3.5"
3.8"
3.8"
4.3"
5.2"
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

4,849

Excellent for heat-loving crops

Last spring frost (32°F): 04/04
First fall frost (32°F): 10/29

Seasonal Overview

Comfort ZoneSpring50°69°16.5"Summer76°80°12.9"Fall49°72°11.9"Winter38°42°14.0"20°40°60°80°100°

National Comparison

Warmer than 70% of US counties
Wetter than 88% of US counties
More seasonal variation than 43% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Madison County

Climate Verdict

Madison County has a mild, with an average annual temperature of 59.7°F, very wet conditions receiving 55.3 inches of precipitation annually, occasional hot days — 59.53333333333333 per year above 90°F, light snow averaging 3.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 38.2°F. summers are warm — July averages 79.7°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

Madison County closely matches the Tennessee statewide average temperature of 58.0°F, the county experiences 23.07340501792116 more extreme heat days than the state average.

Climate Profile

About Madison County Weather

High Heat Days in West Tennessee

Madison County averages 59.7°F annually, significantly exceeding the national median temperature. With 60 days of extreme heat reaching 90°F or higher, this region experiences a longer summer season than much of the country.

Leading the State in Summer Intensity

Madison's 59.7°F annual average is warmer than the state average of 58.1°F. Its 60 extreme heat days represent a significant jump over the state norm, marking it as one of the warmer spots in Tennessee.

Wetter and Warmer than Eastern Peers

Compared to Loudon's 43 heat days, Madison's 60 days of extreme heat highlight the intensified summer of West Tennessee. It maintains a similar precipitation level to the state average but faces higher humidity and peak temperatures.

Intense Summers and Mild Winters

July is the peak of the heat with an average of 79.7°F and a high frequency of 90-degree days. Winters provide relief with a January average of 38.2°F and a modest 3.6 inches of snowfall annually.

Prioritizing Cooling and Storm Prep

With two full months of extreme heat, efficient air conditioning is a non-negotiable for Madison residents. Outdoor activities should be planned for the early morning or evening to avoid the 60 days of peak summer temperatures.

Frequently Asked Questions

What is the average temperature in Madison County?
The average annual temperature in Madison County, TN is 59.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Madison County get?
Madison County receives an average of 55.3 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 Madison County?
Yes, Madison County receives an average of 3.6 inches of snowfall per year according to NOAA climate normals.
How hot does Madison County get in summer?
The average summer temperature (June-August) in Madison County is 78.3°F. The county experiences an average of 60 days per year above 90°F.
How cold are winters in Madison County?
The average winter temperature (December-February) in Madison County is 40.4°F. January, typically the coldest month, averages 38.2°F.

Track your own weather in Madison 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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