In August, La Seyne-sur-Mer typically sees daytime highs of 25.9°C and overnight lows around 17.7°C. Compared to the annual average high of 18.3°C, August runs +7.6°C.
August in La Seyne-sur-Mer averages a daytime high of 25.9°C and an overnight low of 17.7°C.
August runs +7.6°C compared to La Seyne-sur-Mer's annual average high of 18.3°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.9°C and cooler evenings around 17.7°C.