Cumberland County Climate
Cumberland County, Tennessee
Avg Annual Temp
54.5°F
Annual Precip
59.7"
Annual Snowfall
14.1"
Extreme Heat Days
6.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.