Beach
Karfas
Greece · sea 23.3 °C at its warmest, in August

Sea temperature month by month
16.3Jan
15.8Feb
15.7Mar
16.4Apr
18.5May
21.5Jun
22.8Jul
23.3Aug
22.6Sep
21Oct
18.8Nov
17.3Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
tourist beach
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 Karfas?
The sea off Karfas averages 23.3 °C at its warmest, in August, and 15.7 °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 Karfas?
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 Karfas?
Karfas is on the coast of Greece, at 38.3195, 26.1537. The map on this site flies straight to it.