In May, Greeley typically sees daytime highs of 22.9°C and overnight lows around 5.9°C. Compared to the annual average high of 18.5°C, May runs +4.4°C.
May in Greeley averages a daytime high of 22.9°C and an overnight low of 5.9°C.
May runs +4.4°C compared to Greeley's annual average high of 18.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.9°C and cooler evenings around 5.9°C.