Beach
Plage de Brouhel
France · sea 18.3 °C at its warmest, in August

Sea temperature month by month
10.1Jan
9.5Feb
10Mar
11.7Apr
14May
16.4Jun
17.8Jul
18.3Aug
17.4Sep
15.9Oct
13.8Nov
11.7Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 24 km offshore, at the nearest open water cell of a 0.25° grid.
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Plage de Brouhel?
The sea off Plage de Brouhel averages 18.3 °C at its warmest, in August, and 9.5 °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 Plage de Brouhel?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Plage de Brouhel?
Plage de Brouhel is on the coast of France, at 47.5832, -2.8131. The map on this site flies straight to it.