In May, Troisdorf typically sees daytime highs of 18.3°C and overnight lows around 7.8°C. Compared to the annual average high of 13.8°C, May runs +4.4°C.
May in Troisdorf averages a daytime high of 18.3°C and an overnight low of 7.8°C.
May runs +4.4°C compared to Troisdorf's annual average high of 13.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 7.8°C.