In August, Appleton typically sees daytime highs of 26.4°C and overnight lows around 13.9°C. Compared to the annual average high of 12.5°C, August runs +13.9°C.
August in Appleton averages a daytime high of 26.4°C and an overnight low of 13.9°C.
August runs +13.9°C compared to Appleton's annual average high of 12.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.4°C and cooler evenings around 13.9°C.