78218 San Antonio, TX has a subtropical climate with hot summers and mild winters. The area typically experiences short cold spells in winter and occasional heat waves in the summer months. Rainfall is spread fairly evenly throughout the year, however, the spring and summer months tend to have more rain than other times of year. Humidity levels are generally high throughout the year due to its coastal location on the Gulf of Mexico. Overall, 78218 San Antonio, TX provides plentiful sunshine year round with comfortable temperatures for most of the year.
San Antonio (zip 78218), Texas gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Antonio (zip 78218) 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 78218). The US average is 205 sunny days.
San Antonio (zip 78218) gets some kind of precipitation, on average, 85 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 41
Rain: averages 33 inches of rain a year
Snow: averages 0 inches of snow a year