Golden sand
Zarautz
Gipuzkoa, Spain · sea 22.2 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
La playa Zarauz está situada entre la desembocadura de la regata de Inurritza o San Pelayo y la punta de Iteico, en el Palacio de Narros, en el municipio guipuzcoano de Zarauz, País Vasco…
Questions
How warm is the sea at Zarautz?
The sea off Zarautz averages 22.2 °C at its warmest, in August, and 12.3 °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 Zarautz?
The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Zarautz?
Zarautz is on the coast of Gipuzkoa, Spain, at 43.2888, -2.1636. The map on this site flies straight to it.