In May, Madison typically sees daytime highs of 20.6°C and overnight lows around 7.9°C. Compared to the annual average high of 13.2°C, May runs +7.4°C.
May in Madison averages a daytime high of 20.6°C and an overnight low of 7.9°C.
May runs +7.4°C compared to Madison's annual average high of 13.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 7.9°C.