In October, Hachioji typically sees daytime highs of 20.5°C and overnight lows around 12.4°C. Compared to the annual average high of 19.2°C, October runs +1.3°C.
October in Hachioji averages a daytime high of 20.5°C and an overnight low of 12.4°C.
October runs +1.3°C compared to Hachioji's annual average high of 19.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 20.5°C and cooler evenings around 12.4°C.