The weather in San Antonio in May is hot. The average temperatures are between 20°C and 31°C.
You can expect about 3 to 8 days of rain in San Antonio during the month of May. 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 May 2024.
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.
Temperatures
31° / 20°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
115
mm
Sun Hours
9.1
Hrs