San Isidro, TX has a semi-arid climate with hot summers and mild winters. The area typically sees low annual rainfall, but the humidity levels tend to remain high due to its proximity to the Gulf of Mexico. Temperatures can reach into the high 90s during the summer months, while winter temperatures tend to stay in the 60s and 70s. The spring and fall months are usually pleasant with mild weather.
San Isidro (zip 78588), Texas gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Isidro (zip 78588) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 226 sunny days per year in San Isidro (zip 78588). The US average is 205 sunny days.
San Isidro (zip 78588) gets some kind of precipitation, on average, 58 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 97 degrees
Winter Low: the January low is 47
Rain: averages 23 inches of rain a year
Snow: averages 0 inches of snow a year