Henderson, TX Climate

Climate Insight: Henderson, TX

The NOAA 1991–2020 climate normals describe Henderson, Texas as a location with an annual average temperature of 66°F, ranging from a mean daily high of 77°F to a mean daily low of 54°F. August is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00414081, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Henderson sees about 50.4 inches of precipitation a year, with 0.6 inches typically falling as snow. The frost-free season averages 246 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 15 and the first fall freeze near November 16. On the energy side, 2,215 heating degree days and 2,477 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Henderson scores 87/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, August-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.