Obion County Climate
Obion County, Tennessee
Avg 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
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.