In May, Leiden typically sees daytime highs of 15.3°C and overnight lows around 7.8°C. Compared to the annual average high of 12.6°C, May runs +2.8°C.
May in Leiden averages a daytime high of 15.3°C and an overnight low of 7.8°C.
May runs +2.8°C compared to Leiden's annual average high of 12.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 15.3°C and cooler evenings around 7.8°C.