Stewart County Climate
Stewart County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
58.6°F
Annual Precip
54.8"
Annual Snowfall
3.8"
Extreme Heat Days
34
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,553
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Stewart County
Climate Verdict
Stewart County has a mild, with an average annual temperature of 58.6°F, moderately wet with 54.8 inches of annual precipitation, occasional hot days — 33.6 per year above 90°F, light snow averaging 3.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.7°F. summers are warm — July averages 78.4°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
Stewart County closely matches the Tennessee statewide average temperature of 58.0°F.
Climate Profile
About Stewart County Weather
Standard Humid Subtropical Conditions
Stewart County maintains an average annual temperature of 58.6°F, placing it above the national median. It is a wet region, recording 54.8 inches of annual precipitation compared to drier national averages.
Representative of Northern Tennessee
The county's 58.6°F average is nearly identical to the Tennessee state average of 58.1°F. It experiences typical state weather, though its 54.8 inches of rain is slightly below the state average of 55.9 inches.
Stability on the Highland Rim
Stewart County shares the climate of the Western Highland Rim, characterized by consistent rainfall and moderate winters. Its weather patterns are nearly identical to those of neighboring Montgomery and Henry counties.
Warm Summers and Chilly Nights
July temperatures average 78.4°F with 34 days of extreme heat annually. Winters are cool, averaging 39.2°F, and the county receives a modest 3.8 inches of snowfall.
Plan for Humid Outdoor Life
With 34 extreme heat days, summer outdoor activities require early starts and hydration. Winter preparations are minimal as the 3.8 inches of snow rarely causes prolonged closures.
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.