In May, Suwa typically sees daytime highs of 18.3°C and overnight lows around 8.1°C. Compared to the annual average high of 13.6°C, May runs +4.6°C.
May in Suwa averages a daytime high of 18.3°C and an overnight low of 8.1°C.
May runs +4.6°C compared to Suwa's annual average high of 13.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 8.1°C.