Angleton Brazoria, TX Climate

Climate Insight: Angleton Brazoria, TX

An annual average temperature of 71°F, ranging from a mean daily high of 80°F to a mean daily low of 61°F is what the NOAA 1991–2020 climate normals report for Angleton Brazoria, Texas. August is typically the warmest month of the year, while January is the coldest. That baseline comes from station USW00012976 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Angleton Brazoria averages 45.8 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 298 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 13 and the first fall freeze near December 8. As for energy demand, 1,129 heating degree days and 3,219 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Angleton Brazoria scores 92/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, August-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.