Beach
Gianiskari beach
Akrotirio Araxou, Greece · sea 25.8 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Gianiskari beach (Greek: Παραλία Γιανισκάρι), is the name of a sandy beach that is located in the vicinity of the village Akrotirio Araxou, in the northwestern Peloponnese, Greece.
Questions
How warm is the sea at Gianiskari beach?
The sea off Gianiskari beach averages 25.8 °C at its warmest, in August, and 14.9 °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 Gianiskari 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 Gianiskari beach?
Gianiskari beach is on the coast of Akrotirio Araxou, Greece, at 38.1761, 21.3662. The map on this site flies straight to it.