Campbell County Climate
Campbell County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.0°F
Annual Precip
54.6"
Annual Snowfall
—
Extreme Heat Days
25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,831
Supports most vegetables & fruits
Seasonal Overview
National Comparison
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
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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.