Beach
Plage du petit Spérone
Bonifacio, France · sea 24.9 °C at its warmest, in August

Sea temperature month by month
13.9Jan
13.4Feb
13.6Mar
14.7Apr
17.3May
20.8Jun
23.7Jul
24.9Aug
23.2Sep
20.6Oct
17.9Nov
15.3Dec
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 Plage du petit Spérone?
The sea off Plage du petit Spérone averages 24.9 °C at its warmest, in August, and 13.4 °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 du petit Spérone?
The sea reaches 20 °C or more from June to October. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Plage du petit Spérone?
Plage du petit Spérone is on the coast of Bonifacio, France, at 41.3708, 9.2211. The map on this site flies straight to it.