In May, Hamilton typically sees daytime highs of 16.8°C and overnight lows around 6.2°C. Compared to the annual average high of 19.0°C, May runs -2.2°C.
May in Hamilton averages a daytime high of 16.8°C and an overnight low of 6.2°C.
May runs -2.2°C compared to Hamilton's annual average high of 19.0°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 16.8°C and cooler evenings around 6.2°C.