In January, La Seyne-sur-Mer typically sees daytime highs of 11.5°C and overnight lows around 4.7°C. Compared to the annual average high of 18.3°C, January runs -6.8°C.
January in La Seyne-sur-Mer averages a daytime high of 11.5°C and an overnight low of 4.7°C.
January runs -6.8°C compared to La Seyne-sur-Mer's annual average high of 18.3°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 11.5°C and cooler evenings around 4.7°C.