In August, Round Rock typically sees daytime highs of 35.2°C and overnight lows around 22.0°C. Compared to the annual average high of 25.8°C, August runs +9.4°C.
August in Round Rock averages a daytime high of 35.2°C and an overnight low of 22.0°C.
August runs +9.4°C compared to Round Rock's annual average high of 25.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 35.2°C and cooler evenings around 22.0°C.