In May, Blackburn typically sees daytime highs of 14.2°C and overnight lows around 6.1°C. Compared to the annual average high of 11.4°C, May runs +2.8°C.
May in Blackburn averages a daytime high of 14.2°C and an overnight low of 6.1°C.
May runs +2.8°C compared to Blackburn's annual average high of 11.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 14.2°C and cooler evenings around 6.1°C.