In May, Lido di Ostia typically sees daytime highs of 21.5°C and overnight lows around 12.8°C. Compared to the annual average high of 20.1°C, May runs +1.4°C.
May in Lido di Ostia averages a daytime high of 21.5°C and an overnight low of 12.8°C.
May runs +1.4°C compared to Lido di Ostia's annual average high of 20.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.5°C and cooler evenings around 12.8°C.