San Antonio Weather in July

The climate in San Antonio during July can be summarized as hot, humid and wet.

July is in the summer in San Antonio and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 22°C (72°F) is normal.

On average July is the 2nd wettest month of the year in San Antonio with around 199mm 7.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Antonio in July 2024.