Beach
Red Beach
Greece · sea 24.4 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Red Beach is a volcanic sand beach on the Aegean island of Santorini. The beach is famed for its titular red-hued sand, (oxidised iron) and is a noted for being a popular tourist attraction.
Questions
How warm is the sea at Red Beach?
The sea off Red Beach averages 24.4 °C at its warmest, in August, and 16.1 °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 Red Beach?
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 Red Beach?
Red Beach is on the coast of Greece, at 36.3487, 25.3944. The map on this site flies straight to it.
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