Beach
Playa de Venus
Marbella, 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, sampled 15 km offshore, at the nearest open water cell of a 0.25° grid.
About
La playa de Venus, también llamada playa de la Venus, es una playa de Marbella, en la Costa del Sol de la provincia de Málaga, Andalucía, España.
Questions
How warm is the sea at Playa de Venus?
The sea off Playa de Venus averages 22.2 °C at its warmest, in August, and 15.2 °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 Playa de Venus?
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 Playa de Venus?
Playa de Venus is on the coast of Marbella, Spain, at 36.5065, -4.8868. The map on this site flies straight to it.