In May, Harlow typically sees daytime highs of 16.1°C and overnight lows around 7.5°C. Compared to the annual average high of 13.3°C, May runs +2.8°C.
May in Harlow averages a daytime high of 16.1°C and an overnight low of 7.5°C.
May runs +2.8°C compared to Harlow's annual average high of 13.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.1°C and cooler evenings around 7.5°C.