In May, Iida typically sees daytime highs of 19.4°C and overnight lows around 8.1°C. Compared to the annual average high of 15.0°C, May runs +4.5°C.
May in Iida averages a daytime high of 19.4°C and an overnight low of 8.1°C.
May runs +4.5°C compared to Iida's annual average high of 15.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.4°C and cooler evenings around 8.1°C.