Anderson County Climate
Anderson County, Texas
Avg Annual Temp
66.2°F
Annual Precip
45.3"
Annual Snowfall
0.1"
Extreme Heat Days
91.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Anderson County Weather
Warmer and wetter than the national average
With an average annual temperature of 66.2°F, Anderson County sits significantly warmer than the national median of approximately 54°F. This humid subtropical climate receives 45.3 inches of annual rainfall, placing it among the more lush regions in the country.
Above average warmth for the Lone Star State
Anderson County's 66.2°F annual average is nearly a full degree warmer than the Texas state average of 65.5°F. While many western counties face arid conditions, this county sees over 13 inches more rain than the typical Texas county.
East Texas humidity leads the region
Anderson County experiences much higher annual precipitation at 45.3 inches compared to the state's 31.9-inch baseline. The region shares the heavy humidity of its East Texas neighbors, creating a damp environment that supports thick pine forests.
Sizzling summers and very rare snow
The county endures 91 extreme heat days per year where temperatures hit 90°F or higher, peaking with a July average of 83.3°F. Winters remain mild with a January average of 47.8°F and a negligible 0.1 inches of annual snowfall.
Prepare for high humidity and heat
Residents should invest in high-efficiency HVAC systems to manage the 91 days of extreme heat and high moisture levels. Proper roof drainage and mold prevention are essential given the heavy 45.3-inch annual rainfall totals.
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.