Jackson County Climate
Jackson County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.3°F
Annual Precip
56.5"
Annual Snowfall
4.6"
Extreme Heat Days
48
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,247
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Jackson County
Climate Verdict
Jackson County has a mild, with an average annual temperature of 57.3°F, very wet conditions receiving 56.5 inches of precipitation annually, occasional hot days — 48.3 per year above 90°F, light snow averaging 4.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.4°F. summers are warm — July averages 77.4°F. The 42°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
Jackson County closely matches the Tennessee statewide average temperature of 58.0°F.
Climate Profile
About Jackson County Weather
Moderate climate on the Highland Rim
Jackson County averages 57.3°F annually, placing it slightly above the national median for temperature. The region experiences a humid subtropical climate characterized by distinct seasonal transitions and moderate precipitation.
Slightly cooler than the state average
At 57.3°F, Jackson County is roughly one degree cooler than the Tennessee state average of 58.1°F. Despite this lower average, it experiences more extreme heat spikes than many neighboring counties.
Vulnerable to high-heat spikes
Jackson County endures 48 days of extreme heat annually, which is notably higher than its neighbors to the east. It receives 56.5 inches of annual precipitation, slightly outpacing the state average of 55.9 inches.
Sweltering summers and light snow
Summers are intense with July averages hitting 77.4°F, while winters remain crisp with 4.6 inches of annual snowfall. The 48 days of 90°F weather create a long, demanding cooling season for residents.
Prioritizing hydration and home cooling
The high frequency of 90°F days requires robust air conditioning and regular maintenance of outdoor equipment. Residents should also prepare for light winter icing given the 35.4°F January average.
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.