In May, Grevenbroich typically sees daytime highs of 18.3°C and overnight lows around 8.3°C. Compared to the annual average high of 14.0°C, May runs +4.3°C.
May in Grevenbroich averages a daytime high of 18.3°C and an overnight low of 8.3°C.
May runs +4.3°C compared to Grevenbroich's annual average high of 14.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 8.3°C.