In May, Acton typically sees daytime highs of 16.2°C and overnight lows around 7.3°C. Compared to the annual average high of 13.4°C, May runs +2.8°C.
May in Acton averages a daytime high of 16.2°C and an overnight low of 7.3°C.
May runs +2.8°C compared to Acton's annual average high of 13.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.2°C and cooler evenings around 7.3°C.