78257 San Antonio, TX has a subtropical climate with hot summers and mild winters. Average summer temperatures range from the mid-80s Fahrenheit during the day to the low 70s at night. Winters are usually mild, with highs in the mid-60s and lows around 50 degrees Fahrenheit. The city experiences plenty of sunshine with little rain throughout the year, and humidity levels are generally comfortable.
San Antonio (zip 78257), Texas gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Antonio (zip 78257) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 224 sunny days per year in San Antonio (zip 78257). The US average is 205 sunny days.
San Antonio (zip 78257) gets some kind of precipitation, on average, 64 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 94 degrees
Winter Low: the January low is 39
Rain: averages 33 inches of rain a year
Snow: averages 0 inches of snow a year