San Antonio/seaworld, TX Climate

Climate Insight: San Antonio/seaworld, TX

San Antonio/seaworld, Texas runs an annual average of 71°F, ranging from a mean daily high of 83°F to a mean daily low of 60°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while January is the coldest. Drawn from station USC00418169, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

San Antonio/seaworld averages 31.6 inches of precipitation a year, with negligible snowfall, and that matters as much to daily life here as temperature does. The frost-free season averages 294 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 18 and the first fall freeze near December 9. As for energy demand, 1,182 heating degree days and 3,460 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, San Antonio/seaworld scores 97/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.