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Wilson County Climate

Wilson County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec58.5°AVG °F

Avg Annual Temp

58.5°F

Annual Precip

54.0"

Annual Snowfall

2.9"

Extreme Heat Days

53

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.5"
4.8"
4.9"
5.2"
5.3"
4.6"
4.7"
4.1"
3.7"
3.5"
3.8"
5.0"
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

4,512

Excellent for heat-loving crops

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

Seasonal Overview

Comfort ZoneSpring49°67°15.4"Summer75°79°13.3"Fall48°71°11.0"Winter37°41°14.3"20°40°60°80°100°

National Comparison

Warmer than 66% of US counties
Wetter than 86% of US counties
More seasonal variation than 44% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Wilson County

Climate Verdict

Wilson County has a mild, with an average annual temperature of 58.5°F, moderately wet with 54.0 inches of annual precipitation, occasional hot days — 52.875 per year above 90°F, light snow averaging 2.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 37.0°F. summers are warm — July averages 78.7°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

Wilson County closely matches the Tennessee statewide average temperature of 58.0°F, the county experiences 16.41507168458783 more extreme heat days than the state average.

Climate Profile

About Wilson County Weather

Wilson County Sits Above National Temperature Averages

Wilson County maintains an average annual temperature of 58.5°F, placing it well above the U.S. median. This humid subtropical climate receives 54.0 inches of annual precipitation, which is significantly higher than the national rainfall average.

Slightly Warmer Than the Tennessee Average

At 58.5°F, Wilson County is slightly warmer than the Tennessee state average of 58.1°F. While its 54.0 inches of rain is high, it actually falls just below the statewide average of 55.9 inches.

A Consistent Central Tennessee Climate Profile

Wilson County mirrors the climate of its Middle Tennessee neighbors with consistent humidity and moderate winters. Its 58.5°F average keeps it closely aligned with the thermal profile of nearby Davidson and Rutherford counties.

Intense Summer Heat and Mild Winters

Residents experience 53 days per year where temperatures reach or exceed 90°F, while January stays relatively mild at 37.0°F. The county sees minimal snow, averaging only 2.9 inches annually compared to the heavier accumulations found in East Tennessee.

Prepare for High Humidity and Frequent Heat

High-efficiency HVAC systems are essential here given the 53 extreme heat days and a warm July average of 78.7°F. Residents should also plan for 54.0 inches of annual rain, which often arrives in heavy bursts during the spring and summer months.

Frequently Asked Questions

What is the average temperature in Wilson County?
The average annual temperature in Wilson County, TN is 58.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Wilson County get?
Wilson County receives an average of 54.0 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 Wilson County?
Yes, Wilson County receives an average of 2.9 inches of snowfall per year according to NOAA climate normals.
How hot does Wilson County get in summer?
The average summer temperature (June-August) in Wilson County is 77.1°F. The county experiences an average of 53 days per year above 90°F.
How cold are winters in Wilson County?
The average winter temperature (December-February) in Wilson County is 39.4°F. January, typically the coldest month, averages 37.0°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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