In May, Palermo typically sees daytime highs of 21.8°C and overnight lows around 14.2°C. Compared to the annual average high of 20.6°C, May runs +1.3°C.
May in Palermo averages a daytime high of 21.8°C and an overnight low of 14.2°C.
May runs +1.3°C compared to Palermo's annual average high of 20.6°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 21.8°C and cooler evenings around 14.2°C.