In May, Tournai typically sees daytime highs of 17.4°C and overnight lows around 7.4°C. Compared to the annual average high of 13.8°C, May runs +3.6°C.
May in Tournai averages a daytime high of 17.4°C and an overnight low of 7.4°C.
May runs +3.6°C compared to Tournai's annual average high of 13.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 17.4°C and cooler evenings around 7.4°C.