In May, Rochester typically sees daytime highs of 20.6°C and overnight lows around 7.5°C. Compared to the annual average high of 12.5°C, May runs +8.1°C.
May in Rochester averages a daytime high of 20.6°C and an overnight low of 7.5°C.
May runs +8.1°C compared to Rochester's annual average high of 12.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 7.5°C.