In May, Norfolk County typically sees daytime highs of 18.6°C and overnight lows around 7.1°C. Compared to the annual average high of 12.6°C, May runs +6.0°C.
May in Norfolk County averages a daytime high of 18.6°C and an overnight low of 7.1°C.
May runs +6.0°C compared to Norfolk County's annual average high of 12.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.6°C and cooler evenings around 7.1°C.