In May, Marietta typically sees daytime highs of 26.7°C and overnight lows around 13.6°C. Compared to the annual average high of 22.0°C, May runs +4.7°C.
May in Marietta averages a daytime high of 26.7°C and an overnight low of 13.6°C.
May runs +4.7°C compared to Marietta's annual average high of 22.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 13.6°C.