In May, Saint-Malo typically sees daytime highs of 16.1°C and overnight lows around 8.8°C. Compared to the annual average high of 14.2°C, May runs +1.9°C.
May in Saint-Malo averages a daytime high of 16.1°C and an overnight low of 8.8°C.
May runs +1.9°C compared to Saint-Malo's annual average high of 14.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.1°C and cooler evenings around 8.8°C.