In May, Duluth typically sees daytime highs of 16.1°C and overnight lows around 2.9°C. Compared to the annual average high of 9.3°C, May runs +6.8°C.
May in Duluth averages a daytime high of 16.1°C and an overnight low of 2.9°C.
May runs +6.8°C compared to Duluth's annual average high of 9.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.1°C and cooler evenings around 2.9°C.