Iceland
Iceland offers a diverse range of sea water temperatures. At the moment, you can observe the warmest water temperatures along the shores of the cities Reykjavík (48.9°F), Kópavogur (48.7°F) and Hafnarfjörður (48.5°F). In contrast, the city of Siglufjörður has the coldest water temperature in Iceland, averaging around 41.9°F. This means the difference in water temperature between the warmest and coldest coastal cities is 7.1°F.
Destinations in Iceland