All data are in degrees Fahrenheit

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France

France offers a diverse range of sea water temperatures. At the moment, you can observe the warmest water temperatures along the shores of the cities Ajaccio (65.9°F), La Rochelle (64.8°F) and La Teste-de-Buch (64.8°F). In contrast, the city of Boulogne-sur-Mer has the coldest water temperature in France, averaging around 54.6°F. This means the difference in water temperature between the warmest and coldest coastal cities is 11.4°F.

Destinations in France