In August, Norwalk typically sees daytime highs of 28.9°C and overnight lows around 17.3°C. Compared to the annual average high of 23.4°C, August runs +5.6°C.
August in Norwalk averages a daytime high of 28.9°C and an overnight low of 17.3°C.
August runs +5.6°C compared to Norwalk's annual average high of 23.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.9°C and cooler evenings around 17.3°C.