In May, Matsuyama typically sees daytime highs of 20.9°C and overnight lows around 13.1°C. Compared to the annual average high of 18.3°C, May runs +2.6°C.
May in Matsuyama averages a daytime high of 20.9°C and an overnight low of 13.1°C.
May runs +2.6°C compared to Matsuyama's annual average high of 18.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 13.1°C.