In May, La Seyne-sur-Mer typically sees daytime highs of 19.8°C and overnight lows around 11.8°C. Compared to the annual average high of 18.3°C, May runs +1.6°C.
May in La Seyne-sur-Mer averages a daytime high of 19.8°C and an overnight low of 11.8°C.
May runs +1.6°C compared to La Seyne-sur-Mer's annual average high of 18.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 11.8°C.