Beach
Dueodde
Bornholm regional municipality, Denmark · sea 18.3 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 13 km offshore, at the nearest open water cell of a 0.25° grid.
About
Dueodde is a beach in Denmark on Bornholm's southernmost tip. It is known for its very fine white sand. The area around Dueodde was originally a large sandy area.
Questions
How warm is the sea at Dueodde?
The sea off Dueodde averages 18.3 °C at its warmest, in August, and 3.3 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Dueodde?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Dueodde?
Dueodde is on the coast of Bornholm regional municipality, Denmark, at 54.9877, 15.0794. The map on this site flies straight to it.