In May, La Mesa typically sees daytime highs of 22.0°C and overnight lows around 11.7°C. Compared to the annual average high of 22.5°C, May runs -0.5°C.
May in La Mesa averages a daytime high of 22.0°C and an overnight low of 11.7°C.
May runs -0.5°C compared to La Mesa's annual average high of 22.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 22.0°C and cooler evenings around 11.7°C.