In May, Cleveland typically sees daytime highs of 20.8°C and overnight lows around 8.6°C. Compared to the annual average high of 14.9°C, May runs +5.9°C.
May in Cleveland averages a daytime high of 20.8°C and an overnight low of 8.6°C.
May runs +5.9°C compared to Cleveland's annual average high of 14.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 8.6°C.