San Marcos, TX enjoys a temperate climate, with mild winters and warm to hot summers. The average high temperatures range from 65 degrees F in the winter months to 95 degrees F in the summer months. Rainfall is most common during the spring and summer months, reaching an average of 32 inches of rain per year throughout the region. San Marcos also experiences an average of just over 300 sunny days each year.
San Marcos, Texas gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Marcos averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in San Marcos. The US average is 205 sunny days.
San Marcos gets some kind of precipitation, on average, 83 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 35 inches of rain a year
Snow: averages 0 inches of snow a year