In July, San Antonio typically sees daytime highs of 35.1°C and overnight lows around 22.7°C. Compared to the annual average high of 26.8°C, July runs +8.3°C.
July in San Antonio averages a daytime high of 35.1°C and an overnight low of 22.7°C.
July runs +8.3°C compared to San Antonio's annual average high of 26.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 35.1°C and cooler evenings around 22.7°C.