Beach
Beach of Doniños
Ferrol, Spain · sea 18.3 °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
La playa de Doniños es la playa más conocida del municipio de Ferrol, en la provincia de La Coruña (Galicia, España).
Questions
How warm is the sea at Beach of Doniños?
The sea off Beach of Doniños averages 18.3 °C at its warmest, in August, and 12.9 °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 Beach of Doniños?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Beach of Doniños?
Beach of Doniños is on the coast of Ferrol, Spain, at 43.4953, -8.3203. The map on this site flies straight to it.