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Gibson County Climate

Gibson County, Tennessee

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

Avg Annual Temp

59.7°F

Annual Precip

56.2"

Annual Snowfall

3.0"

Extreme Heat Days

59

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.2"
4.7"
5.3"
5.3"
6.2"
4.4"
4.3"
3.7"
4.2"
3.7"
4.8"
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

4,864

Excellent for heat-loving crops

Last spring frost (32°F): 04/04
First fall frost (32°F): 10/28

Seasonal Overview

Comfort ZoneSpring50°69°16.8"Summer77°80°12.4"Fall49°72°12.7"Winter38°42°14.3"20°40°60°80°100°

National Comparison

Warmer than 70% of US counties
Wetter than 90% of US counties
More seasonal variation than 46% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Gibson County

Climate Verdict

Gibson County has a mild, with an average annual temperature of 59.7°F, very wet conditions receiving 56.2 inches of precipitation annually, occasional hot days — 59.2 per year above 90°F, light snow averaging 3.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 37.9°F. summers are warm — July averages 79.9°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

Gibson County closely matches the Tennessee statewide average temperature of 58.0°F, the county experiences 22.740071684587832 more extreme heat days than the state average.

Climate Profile

About Gibson County Weather

Significant Heat in West Tennessee

Gibson County averages 59.7°F annually, making it much warmer than the typical American county. This climate features long, hot summers and relatively short, mild winters.

Exceeding the State Thermal Average

Gibson is one of the warmer spots in Tennessee, staying nearly two degrees above the state average of 58.1°F. It ranks high for heat intensity compared to eastern Tennessee counties.

Hotter and Drier than Giles

Gibson averages 59.7°F, which is notably warmer than Giles County’s 57.3°F. It also sees less annual precipitation at 56.2 inches compared to the wetter eastern neighbors.

Prolonged High Heat Days

Summer dominates the calendar with 59 days reaching over 90°F, creating a demanding cooling season. Winters are mild with only 3 inches of snow and a January average of 37.9°F.

Prioritize Cooling and Hydration

Investing in energy-efficient HVAC systems is critical to manage the two months of extreme heat. Outdoor workers and gardeners should plan activities for early morning to avoid the frequent 90°F peaks.

Frequently Asked Questions

What is the average temperature in Gibson County?
The average annual temperature in Gibson County, TN is 59.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Gibson County get?
Gibson County receives an average of 56.2 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 Gibson County?
Yes, Gibson County receives an average of 3.0 inches of snowfall per year according to NOAA climate normals.
How hot does Gibson County get in summer?
The average summer temperature (June-August) in Gibson County is 78.3°F. The county experiences an average of 59 days per year above 90°F.
How cold are winters in Gibson County?
The average winter temperature (December-February) in Gibson County is 40.3°F. January, typically the coldest month, averages 37.9°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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