Average monthly temperatures
San Antonio has a mediterranean climate with hot dry summers and mild winters.
If you enjoy hot perfect sunny days the best time to visit San Antonio is between June and August.
The hottest month of the year is July with an average daily maximum of 30 C and an average low of 22 C.
The coolest month of the year is January with an average daily maximum of 16 C and an average low of 7 C.
Sunshine and rainfall
The driest month is July with 0 mm of rainfall and 31 perfect sunny days. The wettest month is October with 26 mm of rain over 2 days.
Best time to be on the beach
You should be able to enjoy the beach with sea temperatures averaging 23 C or above from June to October.