Houston County Climate
Houston County, Tennessee
Avg Annual Temp
58.4°F
Annual Precip
54.8"
Annual Snowfall
—
Extreme Heat Days
42.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Houston County Weather
Warmth above the national median
Houston County maintains an average temperature of 58.4°F, which is warmer than the majority of the United States. Its 54.8 inches of annual rain reflects the high-moisture climate of the Southeast.
Matches state temperature trends
Houston County is slightly warmer than the Tennessee average of 58.1°F. Its precipitation levels are nearly identical to the state norm of 55.9 inches, making it a climate representative for the region.
Consistent with its neighbors
The county shares an identical 58.4°F annual average with Hickman County to the south. Both counties experience similar July averages in the upper 70s, providing a consistent regional climate.
Hot summers and cold spells
Houston County sees 42 days of extreme heat above 90°F, creating a demanding summer season. Winters are chilly with a January average of 36.4°F, though specific snowfall totals are not recorded.
Focus on summer endurance
The 42 days of extreme heat make shade and indoor cooling essential for resident safety. Given the 54.8 inches of rain, waterproof gear and home drainage systems are year-round necessities.
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.