Trousdale County Climate
Trousdale County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
41
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,291
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Trousdale County
Climate Verdict
Trousdale County has a mild, with an average annual temperature of 57.9°F, occasional hot days — 41.4 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 37.1°F. summers are warm — July averages 77.0°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
Trousdale County closely matches the Tennessee statewide average temperature of 58.0°F.
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 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.