In May, Honolulu typically sees daytime highs of 26.9°C and overnight lows around 19.4°C. Compared to the annual average high of 26.8°C, May runs +0.1°C.
May in Honolulu averages a daytime high of 26.9°C and an overnight low of 19.4°C.
May runs +0.1°C compared to Honolulu's annual average high of 26.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.9°C and cooler evenings around 19.4°C.