In May, Saint-Quentin-en-Yvelines typically sees daytime highs of 18.2°C and overnight lows around 7.9°C. Compared to the annual average high of 14.7°C, May runs +3.6°C.
May in Saint-Quentin-en-Yvelines averages a daytime high of 18.2°C and an overnight low of 7.9°C.
May runs +3.6°C compared to Saint-Quentin-en-Yvelines's annual average high of 14.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 7.9°C.