Perry County Climate
Perry County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
58.6°F
Annual Precip
57.2"
Annual Snowfall
2.1"
Extreme Heat Days
44
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,467
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Perry County
Climate Verdict
Perry County has a mild, with an average annual temperature of 58.6°F, very wet conditions receiving 57.2 inches of precipitation annually, occasional hot days — 43.6 per year above 90°F, light snow averaging 2.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.8°F. summers are warm — July averages 77.8°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
Perry County closely matches the Tennessee statewide average temperature of 58.0°F.
Climate Profile
About Perry County Weather
A Warm Subtropical Environment
Perry County averages 58.6°F annually, which is nearly five degrees warmer than the national median. This climate type ensures long, warm growing seasons and mild winters.
Slightly Above the State Average
The county is slightly warmer than the Tennessee average of 58.1°F. It experiences consistent warmth that places it among the state's more temperate regions.
Wetter Than Its Eastern Neighbors
Perry receives 57.2 inches of annual precipitation, which is higher than the state average of 55.9 inches. This makes it significantly more humid than many counties to the east.
Hot Summers and Very Mild Winters
Residents endure 44 extreme heat days where temperatures top 90°F. Conversely, winter snowfall is minimal at just 2.1 inches per year.
Prepare for Heat and Heavy Rain
Homeowners should prioritize high-efficiency HVAC systems to manage the six weeks of extreme summer heat. Keep rain gear ready for the heavy 57-inch annual rainfall.
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.