Weather Predictor Your next five days
Weather Bar Chart Average monthly temperature and rainfall for the location
San Antonio – Weather
The resort of San Antonio enjoys a Mediterranean climate with hot, dry summers and cooler, but still mild, winters. The hottest month to visit is July, when the average temperature reaches a perfect 25˚C and there’s around 11 hours of sunshine. August is the best month for water sports, as the sea temperature is a lovely 26˚C. And if you you’re planning on heading over for the closing parties in September, you can expect temperatures to be around 23˚C in the day time.