In May, Parma typically sees daytime highs of 22.7°C and overnight lows around 11.5°C. Compared to the annual average high of 17.9°C, May runs +4.8°C.
May in Parma averages a daytime high of 22.7°C and an overnight low of 11.5°C.
May runs +4.8°C compared to Parma's annual average high of 17.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.7°C and cooler evenings around 11.5°C.