In May, Furukawa typically sees daytime highs of 20.5°C and overnight lows around 9.7°C. Compared to the annual average high of 15.8°C, May runs +4.7°C.
May in Furukawa averages a daytime high of 20.5°C and an overnight low of 9.7°C.
May runs +4.7°C compared to Furukawa's annual average high of 15.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.5°C and cooler evenings around 9.7°C.