Beach
Touddmine
Morocco · sea 19.7 °C at its warmest, in August

Sea temperature month by month
16.9Jan
16.4Feb
16.5Mar
16.8Apr
17.5May
18.6Jun
19.3Jul
19.7Aug
19.7Sep
19.3Oct
18.2Nov
17.6Dec
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 Touddmine?
The sea off Touddmine averages 19.7 °C at its warmest, in August, and 16.4 °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 Touddmine?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Touddmine?
Touddmine is on the coast of Morocco, at 31.1574, -9.8297. The map on this site flies straight to it.