The weather in San Antonio in July is very hot. The average temperatures are between 24°C and 35°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in San Antonio during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in San Antonio in July 2025.
If you’re planning to visit San Antonio in the near future, we highly recommend that you review the 14 day weather forecast for San Antonio before you arrive.