Home

San Antonio, TX Weather


San Antonio, TX climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 94.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 38.60 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 24 degrees Fahrenheit.

The annual average precipitation at San Antonio is 32.92 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.72 Inches.

Weather Data

Normal Climate

Normal Temperatures

(SAN ANTONIO INTL AP Weather station, 7.47 miles from San Antonio)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 62.1 67.1 74.3 80.4 86.0 91.4 94.6 94.7 90.0 82.0 71.4 64.0 79.8
Mean °F 50.3 54.7 62.1 68.6 75.8 81.5 84.3 84.2 79.4 70.7 60.0 52.4 68.7
Min °F 38.6 42.4 49.9 56.9 65.5 71.6 74.0 73.6 68.8 59.4 48.6 40.8 57.5

Normal Precipitation

(SAN ANTONIO INTL AP Weather station, 7.47 miles from San Antonio)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.66 1.75 1.89 2.60 4.72 4.30 2.03 2.57 3.00 3.86 2.58 1.96 32.92