In May, Plymouth typically sees daytime highs of 29.7°C and overnight lows around 23.9°C. Compared to the annual average high of 29.3°C, May runs +0.4°C.
May in Plymouth averages a daytime high of 29.7°C and an overnight low of 23.9°C.
May runs +0.4°C compared to Plymouth's annual average high of 29.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 29.7°C and cooler evenings around 23.9°C.