Very, very hot in the summer, alternating with just very hot in the spring and fall. Winter temps are the most variable, with below freezing occasionally being reached. Most winter days are very pleasant, in the 50's and 60's.
Humid days are fairly limited.
Geography Located three hours inland from Corpus Christi, a major Coast Guard area. San Antonio is crossroads on major routes through the state. This is a HUGE military town, with many installations. Among the largest are Ft. Sam Houston, the home of Army Medicine worldwide - Brooke Army Medical Center is a premier treatment center, with excellent care available to military beneficiaries.