Wilson County Climate
Wilson County, Tennessee
Avg Annual Temp
58.5°F
Annual Precip
54.0"
Annual Snowfall
2.9"
Extreme Heat Days
52.875
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Wilson County Weather
Wilson County Sits Above National Temperature Averages
Wilson County maintains an average annual temperature of 58.5°F, placing it well above the U.S. median. This humid subtropical climate receives 54.0 inches of annual precipitation, which is significantly higher than the national rainfall average.
Slightly Warmer Than the Tennessee Average
At 58.5°F, Wilson County is slightly warmer than the Tennessee state average of 58.1°F. While its 54.0 inches of rain is high, it actually falls just below the statewide average of 55.9 inches.
A Consistent Central Tennessee Climate Profile
Wilson County mirrors the climate of its Middle Tennessee neighbors with consistent humidity and moderate winters. Its 58.5°F average keeps it closely aligned with the thermal profile of nearby Davidson and Rutherford counties.
Intense Summer Heat and Mild Winters
Residents experience 53 days per year where temperatures reach or exceed 90°F, while January stays relatively mild at 37.0°F. The county sees minimal snow, averaging only 2.9 inches annually compared to the heavier accumulations found in East Tennessee.
Prepare for High Humidity and Frequent Heat
High-efficiency HVAC systems are essential here given the 53 extreme heat days and a warm July average of 78.7°F. Residents should also plan for 54.0 inches of annual rain, which often arrives in heavy bursts during the spring and summer months.
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.