Franklin County Climate
Franklin County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
58.3°F
Annual Precip
60.9"
Annual Snowfall
4.1"
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,316
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Franklin County
Climate Verdict
Franklin County has a mild, with an average annual temperature of 58.3°F, very wet conditions receiving 60.9 inches of precipitation annually, occasional hot days — 20.8 per year above 90°F, light snow averaging 4.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 38.4°F. summers are warm — July averages 76.4°F. The 38°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
Franklin County closely matches the Tennessee statewide average temperature of 58.0°F, it is also noticeably wetter, receiving 5.2 inches more precipitation than the state average, the county experiences 15.65992831541217 fewer extreme heat days than the state average.
Climate Profile
About Franklin County Weather
Warm Subtropical Environment
Franklin County's average temperature of 58.3°F sits well above the national median. The region is characterized by high humidity and significant year-round rainfall totaling over 60 inches.
Aligning with Tennessee's Thermal Baseline
At 58.3°F, Franklin County closely mirrors the Tennessee state average of 58.1°F. It represents the typical climatic experience for the southern portion of the state.
Wetter and Warmer than Fentress
Franklin receives 60.9 inches of rain annually, which is higher than Fentress County's 59.5 inches. Its 38.4°F January average provides a milder winter start than its neighbors to the north.
Three Weeks of Intense Heat
The county experiences 21 days per year with temperatures hitting or exceeding 90°F. Winter remains relatively open, with annual snowfall averaging only 4.1 inches.
Manage Humidity and Mid-Range Snow
Active dehumidification is essential for home comfort during the muggy 75.1°F summer months. While snowfall is light, residents should still keep basic salt and shovels ready for the occasional 4-inch winter event.
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.