In May, Colchester typically sees daytime highs of 15.5°C and overnight lows around 7.7°C. Compared to the annual average high of 13.1°C, May runs +2.4°C.
May in Colchester averages a daytime high of 15.5°C and an overnight low of 7.7°C.
May runs +2.4°C compared to Colchester's annual average high of 13.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 15.5°C and cooler evenings around 7.7°C.