In August, Norwalk typically sees daytime highs of 27.6°C and overnight lows around 16.4°C. Compared to the annual average high of 15.8°C, August runs +11.8°C.
August in Norwalk averages a daytime high of 27.6°C and an overnight low of 16.4°C.
August runs +11.8°C compared to Norwalk's annual average high of 15.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.6°C and cooler evenings around 16.4°C.