In May, Saint-Nazaire typically sees daytime highs of 18.2°C and overnight lows around 8.9°C. Compared to the annual average high of 15.7°C, May runs +2.4°C.
May in Saint-Nazaire averages a daytime high of 18.2°C and an overnight low of 8.9°C.
May runs +2.4°C compared to Saint-Nazaire's annual average high of 15.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 8.9°C.