Henderson County Climate
Henderson County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.5°F
Annual Precip
44.8"
Annual Snowfall
—
Extreme Heat Days
92
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,257
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Henderson County
Climate Verdict
Henderson County has a warm, averaging 65.5°F year-round, moderately wet with 44.8 inches of annual precipitation, significant summer heat with 91.9 days annually above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 46.2°F. summers are hot, with July averaging 83.3°F. The 37°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
Henderson County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 12.9 inches more precipitation than the state average.
Climate Profile
About Henderson County Weather
A Classic Southern Climate
Henderson County averages 65.5°F, which is warmer than the national median. It receives a robust 44.8 inches of annual rainfall.
The Definition of Texas Average
The county's 65.5°F average perfectly matches the statewide temperature mean. It is wetter than the state average, receiving 13 inches more rain than the norm.
The Heart of East Texas
Henderson is slightly warmer than its neighbor Harrison. Both counties share high annual rainfall and the humid conditions of the piney woods region.
Steady Heat and Mild Winters
Summers average 82.4°F with 92 days of extreme heat over 90°F. Winters are mild at 48.1°F, though specific local snowfall data is not currently recorded.
Rainwater and Heat Management
Maintain air conditioning to handle 92 days of extreme heat. With 44.8 inches of rain, ensure proper roof and gutter maintenance to prevent moisture damage.
Frequently Asked Questions
What is the average temperature in Henderson County?
How much rain does Henderson County get?
How hot does Henderson County get in summer?
How cold are winters in Henderson County?
Track your own weather in Henderson County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.