In May, Grosseto typically sees daytime highs of 22.4°C and overnight lows around 10.9°C. Compared to the annual average high of 20.0°C, May runs +2.4°C.
May in Grosseto averages a daytime high of 22.4°C and an overnight low of 10.9°C.
May runs +2.4°C compared to Grosseto's annual average high of 20.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 10.9°C.