Hardin County Climate
Hardin County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
61.5°F
Annual Precip
59.2"
Annual Snowfall
—
Extreme Heat Days
66
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
5,231
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hardin County
Climate Verdict
Hardin County has a warm, averaging 61.5°F year-round, very wet conditions receiving 59.2 inches of precipitation annually, significant summer heat with 66 days annually above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 40.7°F. summers are hot, with July averaging 80.7°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
Hardin County is 3.5°F warmer than the Tennessee statewide average of 58.0°F, it is somewhat wetter than average for Tennessee, the county experiences 29.54007168458783 more extreme heat days than the state average.
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 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.