In May, Fort Collins typically sees daytime highs of 20.6°C and overnight lows around 4.6°C. Compared to the annual average high of 16.9°C, May runs +3.8°C.
May in Fort Collins averages a daytime high of 20.6°C and an overnight low of 4.6°C.
May runs +3.8°C compared to Fort Collins's annual average high of 16.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 4.6°C.