In May, Hitachi typically sees daytime highs of 19.5°C and overnight lows around 11.0°C. Compared to the annual average high of 16.7°C, May runs +2.7°C.
May in Hitachi averages a daytime high of 19.5°C and an overnight low of 11.0°C.
May runs +2.7°C compared to Hitachi's annual average high of 16.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.5°C and cooler evenings around 11.0°C.