In May, Naples typically sees daytime highs of 22.3°C and overnight lows around 12.9°C. Compared to the annual average high of 20.7°C, May runs +1.6°C.
May in Naples averages a daytime high of 22.3°C and an overnight low of 12.9°C.
May runs +1.6°C compared to Naples's annual average high of 20.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.3°C and cooler evenings around 12.9°C.