In May, Yonezawa typically sees daytime highs of 20.3°C and overnight lows around 9.1°C. Compared to the annual average high of 15.4°C, May runs +4.9°C.
May in Yonezawa averages a daytime high of 20.3°C and an overnight low of 9.1°C.
May runs +4.9°C compared to Yonezawa's annual average high of 15.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.3°C and cooler evenings around 9.1°C.