In August, Houston typically sees daytime highs of 34.0°C and overnight lows around 22.9°C. Compared to the annual average high of 26.2°C, August runs +7.8°C.
August in Houston averages a daytime high of 34.0°C and an overnight low of 22.9°C.
August runs +7.8°C compared to Houston's annual average high of 26.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 34.0°C and cooler evenings around 22.9°C.