In May, Schaumburg typically sees daytime highs of 21.1°C and overnight lows around 8.4°C. Compared to the annual average high of 14.3°C, May runs +6.8°C.
May in Schaumburg averages a daytime high of 21.1°C and an overnight low of 8.4°C.
May runs +6.8°C compared to Schaumburg's annual average high of 14.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 8.4°C.