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Campbell County Climate

Campbell County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec56.0°AVG °F

Avg Annual Temp

56.0°F

Annual Precip

54.6"

Annual Snowfall

Extreme Heat Days

25

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
4.6"
5.0"
5.2"
5.1"
4.8"
5.0"
5.8"
3.8"
3.6"
2.8"
3.8"
5.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

3,831

Supports most vegetables & fruits

Last spring frost (32°F): 04/18
First fall frost (32°F): 10/24

Seasonal Overview

Comfort ZoneSpring46°65°15.1"Summer72°75°14.6"Fall46°68°10.2"Winter36°39°14.7"20°40°60°80°100°

National Comparison

Warmer than 56% of US counties
Wetter than 87% of US counties
More seasonal variation than 34% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Campbell County

Climate Verdict

Campbell County has a mild, with an average annual temperature of 56.0°F, moderately wet with 54.6 inches of annual precipitation, occasional hot days — 24.5 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.6°F. summers are warm — July averages 75.3°F. The 40°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

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

Climate Profile

About Campbell County Weather

A Near-Perfect Match for National Norms

Campbell County’s 56.0°F average annual temperature is almost identical to the national median of 55°F. It remains a high-precipitation area with 54.6 inches of rain annually.

One of Tennessee's Coolest Counties

Campbell is 2.1 degrees cooler than the Tennessee average of 58.1°F. It is also slightly drier than the state average, receiving about 1.3 inches less rain.

The Region's Coldest Winter Temperatures

With a January average of 35.6°F, Campbell is colder than all its immediate neighbors. It is 3.6 degrees cooler than Bradley County on an annual basis.

Comfortable Summers and Crisp Winters

July is mild for Tennessee at 75.3°F, and extreme heat occurs only 25 days a year. Winter is the coldest in the area, averaging 37.9°F, though specific snowfall records are limited.

Prioritize Heating Efficiency and Insulation

Because Campbell has the lowest winter temperatures in the group, homeowners should ensure proper insulation. Summer cooling needs are the lowest in the region, with only 25 days of 90-degree weather.

Frequently Asked Questions

What is the average temperature in Campbell County?
The average annual temperature in Campbell County, TN is 56.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Campbell County get?
Campbell County receives an average of 54.6 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Campbell County get in summer?
The average summer temperature (June-August) in Campbell County is 73.8°F. The county experiences an average of 25 days per year above 90°F.
How cold are winters in Campbell County?
The average winter temperature (December-February) in Campbell County is 37.9°F. January, typically the coldest month, averages 35.6°F.

Track your own weather in Campbell 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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