In May, Athens typically sees daytime highs of 27.3°C and overnight lows around 13.8°C. Compared to the annual average high of 22.6°C, May runs +4.6°C.
May in Athens averages a daytime high of 27.3°C and an overnight low of 13.8°C.
May runs +4.6°C compared to Athens's annual average high of 22.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 27.3°C and cooler evenings around 13.8°C.