In May, Rock Hill typically sees daytime highs of 26.9°C and overnight lows around 13.5°C. Compared to the annual average high of 22.1°C, May runs +4.7°C.
May in Rock Hill averages a daytime high of 26.9°C and an overnight low of 13.5°C.
May runs +4.7°C compared to Rock Hill's annual average high of 22.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 26.9°C and cooler evenings around 13.5°C.