In May, Hachioji typically sees daytime highs of 22.6°C and overnight lows around 13.2°C. Compared to the annual average high of 19.2°C, May runs +3.4°C.
May in Hachioji averages a daytime high of 22.6°C and an overnight low of 13.2°C.
May runs +3.4°C compared to Hachioji's annual average high of 19.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.6°C and cooler evenings around 13.2°C.