Beach
Myrtos Beach
Pylarei Municipal Unit, Greece · sea 25.9 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 14 km offshore, at the nearest open water cell of a 0.25° grid.
About
Myrtos Beach (Greek: Παραλία Μύρτου [Míːrtɒs]) is in the region of Pylaros, in the north-west of Kefalonia island, in the Ionian Sea of Greece.
Questions
How warm is the sea at Myrtos Beach?
The sea off Myrtos Beach averages 25.9 °C at its warmest, in August, and 15.2 °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 Myrtos Beach?
The sea reaches 20 °C or more from June to November. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Myrtos Beach?
Myrtos Beach is on the coast of Pylarei Municipal Unit, Greece, at 38.3436, 20.5361. The map on this site flies straight to it.