In August, Marietta typically sees daytime highs of 31.2°C and overnight lows around 19.3°C. Compared to the annual average high of 22.0°C, August runs +9.1°C.
August in Marietta averages a daytime high of 31.2°C and an overnight low of 19.3°C.
August runs +9.1°C compared to Marietta's annual average high of 22.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 31.2°C and cooler evenings around 19.3°C.