Obion County Climate
Obion County, Tennessee
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.8°F
Annual Precip
53.5"
Annual Snowfall
5.8"
Extreme Heat Days
41
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,413
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Obion County
Climate Verdict
Obion County has a mild, with an average annual temperature of 57.8°F, moderately wet with 53.5 inches of annual precipitation, occasional hot days — 41 per year above 90°F, light snow averaging 5.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.5°F. summers are warm — July averages 78.0°F. The 43°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
Obion County closely matches the Tennessee statewide average temperature of 58.0°F, it is somewhat drier than average for Tennessee.
Climate Profile
About Obion County Weather
A True Four-Season Valley Climate
Obion County averages 57.8°F annually, which is slightly warmer than the national median of 55°F. It experiences cold winter snaps and hot, humid summer months typical of the Mississippi Valley.
Cooler than the Tennessee Average
At 57.8°F, Obion sits slightly below the Tennessee state average of 58.1°F. Its northern location on the Kentucky border contributes to its lower ranking in state temperature charts.
Snowier than Southern Tennessee Counties
Obion averages 5.8 inches of snow, far exceeding the 1.0 inch found in McNairy County to the south. It is also slightly drier than the state average, receiving 53.5 inches of rain.
Cold Winters and Consistent Heat
January is chilly with an average of 35.5°F, contributing to the nearly 6 inches of annual snow. Summers remain hot, featuring 41 days of temperatures reaching at least 90°F.
Prepare for Snow and Cold Snaps
Because Obion receives 5.8 inches of snow, keeping salt and shovels ready is essential for winter. HVAC systems should be rated for both the 41 days of extreme heat and the freezing January nights.
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.