Naturist beach
Arenal de Sonabia
Sonabia, Spain · sea 21.7 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 18 km offshore, at the nearest open water cell of a 0.25° grid.
About
La playa Arenal de Sonabia o Valdearenas está situada en el municipio de Liendo, en la comunidad autónoma de Cantabria, España.
Questions
How warm is the sea at Arenal de Sonabia?
The sea off Arenal de Sonabia averages 21.7 °C at its warmest, in August, and 12.5 °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 Arenal de Sonabia?
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 Arenal de Sonabia?
Arenal de Sonabia is on the coast of Sonabia, Spain, at 43.4125, -3.3359. The map on this site flies straight to it.