La Seyne-sur-Mer Weather & Climate: Best Time to Visit

In La Seyne-sur-Mer, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in August, the warmest time of the year, to a moderate 13°C (55°F) during cooler months like February.

At night, you can expect temperatures ranging from 21°C (70°F) in August to around 7°C (45°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, La Seyne-sur-Mer receives a reasonable amount of rainfall, with an annual precipitation of 686 mm (27 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 111 mm (4.4 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month July brings less rainfall, with 11 mm (0.4 in) over 3 rainy days. For more details, please visit our La Seyne-sur-Mer Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in La Seyne-sur-Mer. While July receives considerable daily sunshine with up to 12.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The mean water temperature over the year ranges from 12°C (54°F) in January to 22°C (72°F) in July.

Water temperature over the year

The relative humidity is moderate throughout the year in La Seyne-sur-Mer.

The city experiences its highest humidity in November, reaching 60%. In July, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year