In May, Zwolle typically sees daytime highs of 16.9°C and overnight lows around 6.8°C. Compared to the annual average high of 12.8°C, May runs +4.1°C.
May in Zwolle averages a daytime high of 16.9°C and an overnight low of 6.8°C.
May runs +4.1°C compared to Zwolle's annual average high of 12.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.9°C and cooler evenings around 6.8°C.