Beach
Lestrevet
France · sea 16.3 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 25 km offshore, at the nearest open water cell of a 0.25° grid.
About
Lestrevet est une plage appartenant à la commune de Plomodiern dans le Finistère. Son exposition sud-ouest en fait un spot de prédilection pour les véliplanchistes et autres kitesurfers.
Questions
How warm is the sea at Lestrevet?
The sea off Lestrevet averages 16.3 °C at its warmest, in August, and 10.2 °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 Lestrevet?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Lestrevet?
Lestrevet is on the coast of France, at 48.1817, -4.2992. The map on this site flies straight to it.