Trousdale County Climate
Trousdale County, Tennessee
Avg Annual Temp
57.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
41.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Trousdale County Weather
Warmer Than the National Average
Trousdale County maintains an average annual temperature of 57.9°F, which sits well above the national median. This humid subtropical climate experiences moderate winters and long, warm summers.
Matching the Tennessee Standard
The county's 57.9°F annual average nearly mirrors the Tennessee state average of 58.1°F. It represents the typical climate profile for the central region of the state.
Cooler Than Its Southern Neighbors
While Trousdale is typical for the region, it remains slightly cooler than Williamson County to the south, which averages 59.0°F. Local weather patterns remain consistent with the Middle Tennessee plateau.
Sweating Through Forty Summer Days
Residents face 41 days per year where temperatures hit or exceed 90°F. July is the peak of heat with an average of 77.0°F, while January remains mild at 37.1°F.
Prepare for Extended Summer Humidity
Homeowners should prioritize high-efficiency HVAC systems to manage the 41 annual extreme heat days. While snowfall data is limited, the mild 39.4°F winter average suggests that heavy winter gear is rarely necessary.
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.