Hardin County Climate
Hardin County, Tennessee
Avg Annual Temp
61.5°F
Annual Precip
59.2"
Annual Snowfall
—
Extreme Heat Days
66
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hardin County Weather
Significant warmth in the Tennessee Valley
Hardin County features a robust average temperature of 61.5°F, placing it well above the national median for temperature. Its annual precipitation of 59.2 inches is nearly 30% higher than the national average.
One of Tennessee's warmest counties
With an average temperature of 61.5°F, Hardin County is substantially warmer than the state average of 58.1°F. It also receives about 3.3 inches more annual rainfall than the typical Tennessee county.
Warmer than its western neighbors
Hardin County outpaces Hardeman County's 59.6°F average, making it a local leader in heat. This difference is felt most in the summer, where Hardin's July average hits 80.7°F.
Dominant heat and wet winters
The county faces 66 days of extreme heat above 90°F, significantly higher than many of its neighbors. Winters are wet and mild with a January average of 40.7°F, though specific snowfall data for this area is limited.
Invest in summer cooling
The 66 days of extreme heat require robust air conditioning and sun protection for outdoor workers. Residents should also plan for frequent heavy rain events, as the county receives nearly 60 inches of precipitation per year.
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.