Finland
Finland offers a diverse range of sea water temperatures. At the moment, you can observe the warmest water temperatures along the shores of the cities Porvoo (50.1°F), Helsinki (48.0°F) and Vaasa (45.9°F). In contrast, the city of Raahe has the coldest water temperature in Finland, averaging around 42.6°F. This means the difference in water temperature between the warmest and coldest coastal cities is 7.5°F.
Destinations in Finland