Beach
Pen Hat beach
Camaret-sur-Mer, France · sea 15.7 °C at its warmest, in August

Sea temperature month by month
10.9Jan
10.2Feb
10.2Mar
11Apr
12.5May
14.1Jun
15.2Jul
15.7Aug
15.2Sep
14.5Oct
13.5Nov
12.2Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
beach in France
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 Pen Hat beach?
The sea off Pen Hat beach averages 15.7 °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 Pen Hat beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Pen Hat beach?
Pen Hat beach is on the coast of Camaret-sur-Mer, France, at 48.2761, -4.6180. The map on this site flies straight to it.