In May, Modesto typically sees daytime highs of 27.3°C and overnight lows around 10.5°C. Compared to the annual average high of 23.6°C, May runs +3.6°C.
May in Modesto averages a daytime high of 27.3°C and an overnight low of 10.5°C.
May runs +3.6°C compared to Modesto's annual average high of 23.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 27.3°C and cooler evenings around 10.5°C.