In August, Hachioji typically sees daytime highs of 30.4°C and overnight lows around 22.7°C. Compared to the annual average high of 19.2°C, August runs +11.3°C.
August in Hachioji averages a daytime high of 30.4°C and an overnight low of 22.7°C.
August runs +11.3°C compared to Hachioji's annual average high of 19.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 22.7°C.