Beach
Plages du Mourillon
Toulon, France · sea 23.3 °C at its warmest, in August

Sea temperature month by month
13.8Jan
13.2Feb
13.4Mar
14.3Apr
16.7May
19.8Jun
22.1Jul
23.3Aug
21.6Sep
19.5Oct
17.2Nov
15.2Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
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 Plages du Mourillon?
The sea off Plages du Mourillon averages 23.3 °C at its warmest, in August, and 13.2 °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 Plages du Mourillon?
The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Plages du Mourillon?
Plages du Mourillon is on the coast of Toulon, France, at 43.1079, 5.9435. The map on this site flies straight to it.