Henderson County Climate
Henderson County, Kentucky
Avg Annual Temp
56.9°F
Annual Precip
46.8"
Annual Snowfall
6.5"
Extreme Heat Days
38.8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Henderson County Weather
Warm river valley climate patterns
Henderson County averages 56.9°F annually, making it warmer than the typical American county. This humid subtropical region experiences higher-than-average humidity levels due to its proximity to the Ohio River.
Warmer than the average Kentucky county
The local annual temperature of 56.9°F sits above the Kentucky state average of 56.2°F. While warmer, the county receives 46.8 inches of rain, which is drier than the state average of 50.6 inches.
Drier than southern neighbor Hopkins
Henderson is nearly 3 degrees cooler annually than Hopkins County to its south. It also receives about 5 inches less rainfall than Hopkins, making it one of the drier spots in the western Kentucky region.
Steamy summers and light snow
Residents face 39 extreme heat days where temperatures top 90°F, concentrated during the 76.3°F summer months. Winter is relatively mild with 6.5 inches of annual snow and a January average of 33.3°F.
Manage summer heat and humidity
Efficient air conditioning is essential to handle the 39 days of extreme heat and 77.6°F July peaks. Keep a light snow shovel ready for the 6.5 inches of annual accumulation that typically occurs between December and March.
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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.