In August, Chattanooga typically sees daytime highs of 30.0°C and overnight lows around 18.5°C. Compared to the annual average high of 20.2°C, August runs +9.8°C.
August in Chattanooga averages a daytime high of 30.0°C and an overnight low of 18.5°C.
August runs +9.8°C compared to Chattanooga's annual average high of 20.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 30.0°C and cooler evenings around 18.5°C.