In May, Santa Cruz typically sees daytime highs of 18.4°C and overnight lows around 9.4°C. Compared to the annual average high of 18.1°C, May runs +0.3°C.
May in Santa Cruz averages a daytime high of 18.4°C and an overnight low of 9.4°C.
May runs +0.3°C compared to Santa Cruz's annual average high of 18.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 9.4°C.