In May, Gloucester typically sees daytime highs of 15.7°C and overnight lows around 7.0°C. Compared to the annual average high of 13.1°C, May runs +2.6°C.
May in Gloucester averages a daytime high of 15.7°C and an overnight low of 7.0°C.
May runs +2.6°C compared to Gloucester's annual average high of 13.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 15.7°C and cooler evenings around 7.0°C.