Anderson County Climate
Anderson County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.2°F
Annual Precip
45.3"
Annual Snowfall
0.1"
Extreme Heat Days
91
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,392
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Anderson County
Climate Verdict
Anderson County has a warm, averaging 66.2°F year-round, moderately wet with 45.3 inches of annual precipitation, significant summer heat with 91.30000000000001 days annually above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.8°F. summers are hot, with July averaging 83.3°F. The 36°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Anderson County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 13.4 inches more precipitation than the state average.
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 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.