In May, Rocklin typically sees daytime highs of 25.7°C and overnight lows around 10.1°C. Compared to the annual average high of 22.9°C, May runs +2.8°C.
May in Rocklin averages a daytime high of 25.7°C and an overnight low of 10.1°C.
May runs +2.8°C compared to Rocklin's annual average high of 22.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 25.7°C and cooler evenings around 10.1°C.