In May, Hanyu typically sees daytime highs of 23.0°C and overnight lows around 13.4°C. Compared to the annual average high of 19.5°C, May runs +3.5°C.
May in Hanyu averages a daytime high of 23.0°C and an overnight low of 13.4°C.
May runs +3.5°C compared to Hanyu's annual average high of 19.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 23.0°C and cooler evenings around 13.4°C.