In May, La Roche-sur-Yon typically sees daytime highs of 18.5°C and overnight lows around 8.7°C. Compared to the annual average high of 15.9°C, May runs +2.6°C.
May in La Roche-sur-Yon averages a daytime high of 18.5°C and an overnight low of 8.7°C.
May runs +2.6°C compared to La Roche-sur-Yon's annual average high of 15.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.5°C and cooler evenings around 8.7°C.