In May, Ames typically sees daytime highs of 22.5°C and overnight lows around 9.3°C. Compared to the annual average high of 14.8°C, May runs +7.7°C.
May in Ames averages a daytime high of 22.5°C and an overnight low of 9.3°C.
May runs +7.7°C compared to Ames's annual average high of 14.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.5°C and cooler evenings around 9.3°C.