In July, San Antonio typically sees daytime highs of 14.7°C and overnight lows around 5.7°C. Compared to the annual average high of 18.7°C, July runs -4.1°C.
July in San Antonio averages a daytime high of 14.7°C and an overnight low of 5.7°C.
July runs -4.1°C compared to San Antonio's annual average high of 18.7°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 14.7°C and cooler evenings around 5.7°C.