In May, Tateyama typically sees daytime highs of 20.8°C and overnight lows around 15.1°C. Compared to the annual average high of 19.1°C, May runs +1.6°C.
May in Tateyama averages a daytime high of 20.8°C and an overnight low of 15.1°C.
May runs +1.6°C compared to Tateyama's annual average high of 19.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 15.1°C.