San Antonio Climate & Weather
San Antonio Climate Chart
San Antonio has a humid subtropical climate characterised by fairly mild winters and hot summers. The weather varies between dry and humid, depending on prevailing winds. Autumn and spring are warm with a fair amount of rainfall. In San Antonio, July and August are the hottest months of summer, and travellers planning on visiting should brace themselves for temperatures that frequently reach 95°F (35°C). January is the coldest month of winter, with temperatures dropping as low as 39°F (4°C).