In May, Weymouth typically sees daytime highs of 19.8°C and overnight lows around 8.1°C. Compared to the annual average high of 15.1°C, May runs +4.7°C.
May in Weymouth averages a daytime high of 19.8°C and an overnight low of 8.1°C.
May runs +4.7°C compared to Weymouth's annual average high of 15.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 8.1°C.