In May, Hialeah typically sees daytime highs of 30.4°C and overnight lows around 20.5°C. Compared to the annual average high of 28.7°C, May runs +1.6°C.
May in Hialeah averages a daytime high of 30.4°C and an overnight low of 20.5°C.
May runs +1.6°C compared to Hialeah's annual average high of 28.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 20.5°C.