In May, Trenton typically sees daytime highs of 22.8°C and overnight lows around 9.8°C. Compared to the annual average high of 17.6°C, May runs +5.2°C.
May in Trenton averages a daytime high of 22.8°C and an overnight low of 9.8°C.
May runs +5.2°C compared to Trenton's annual average high of 17.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.8°C and cooler evenings around 9.8°C.