Greene County Climate
Greene County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.7°F
Annual Precip
46.4"
Annual Snowfall
7.7"
Extreme Heat Days
32
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,996
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Greene County
Climate Verdict
Greene County has a mild, with an average annual temperature of 56.7°F, moderately wet with 46.4 inches of annual precipitation, occasional hot days — 32.4 per year above 90°F, light snow averaging 7.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.6°F. summers are warm — July averages 76.1°F. The 39°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
Greene County closely matches the Tennessee statewide average temperature of 58.0°F, it is also noticeably drier, receiving 9.3 inches less precipitation than the state average.
Climate Profile
About Greene County Weather
Moderate Valley Climate
Greene County averages 56.7°F annually, placing it above the national median for temperature. It receives a moderate 46.4 inches of rain, which is lower than many other Tennessee regions.
Cooler and Drier than Average
Greene County is noticeably cooler than the 58.1°F state average and significantly drier than the 55.9-inch state precipitation norm. This creates a more mountain-influenced climate than the western plains.
Cooler than Neighboring Hamblen
Greene stays about a degree cooler than Hamblen County's 57.8°F average. It also experiences slightly less snowfall than Hamblen, despite their geographic proximity.
Frequent Heat and Moderate Snow
Despite the mountain air, Greene still hits 90°F or higher 32 days per year. Winter brings a notable 7.7 inches of snow, providing a true seasonal change.
Balance Seasonal Home Maintenance
Plan for both significant cooling needs in summer and snow clearance in winter. The 46.4 inches of rain is manageable, but garden irrigation may be needed during dry summer spells.
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.