Cumberland County Climate
Cumberland County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.5°F
Annual Precip
59.7"
Annual Snowfall
14.1"
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,431
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cumberland County
Climate Verdict
Cumberland County has a mild, with an average annual temperature of 54.5°F, very wet conditions receiving 59.7 inches of precipitation annually, rare extreme heat with only 6.5 days above 90°F annually, light snow averaging 14.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 34.5°F. summers are warm — July averages 73.0°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Cumberland County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Cumberland County is 3.5°F cooler than the Tennessee statewide average of 58.0°F, it is somewhat wetter than average for Tennessee, the county experiences 29.95992831541217 fewer extreme heat days than the state average.
Climate Profile
About Cumberland County Weather
Cooler Highland Climate Patterns
At 54.5°F, Cumberland County is significantly cooler than the national median temperature. Its position on the Cumberland Plateau creates a distinct climate compared to the surrounding lowlands.
One of Tennessee's Coolest Counties
The county's annual average of 54.5°F sits 3.6 degrees below the state average of 58.1°F. It is also considerably wetter than most of the state, receiving 59.7 inches of rain compared to the 55.9-inch state average.
Unique Plateau Weather Trends
Cumberland is much cooler and wetter than nearby DeKalb County, which averages 58.1°F. While DeKalb sees 38 extreme heat days, Cumberland residents only experience 7 days above 90°F.
Mild Summers and Snowy Winters
July remains comfortable with a 73.0°F average, a rare trait in the American South. However, winters are more intense than the state average, bringing 14.1 inches of snowfall annually.
Winter Readiness is Key
Invest in heavy winter gear and snow removal tools to manage the 14.1 inches of annual snow. Homeowners benefit from lower cooling costs in summer but must prepare for high humidity and 59.7 inches of rain.
Frequently Asked Questions
What is the average temperature in Cumberland County?
How much rain does Cumberland County get?
Does it snow in Cumberland County?
How hot does Cumberland County get in summer?
How cold are winters in Cumberland County?
Track your own weather in Cumberland County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.