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 L'Île-Rousse (66.4°F), Ajaccio (66.1°F) and Bastia (65.8°F). In contrast, the city of Dunkerque has the coldest water temperature in France, averaging around 53.6°F. This means the difference in water temperature between the warmest and coldest coastal cities is 12.8°F.
Destinations in France