Beach
Porthbeor Beach
Cornwall, United Kingdom · sea 16.9 °C at its warmest, in August

Sea temperature month by month
10.5Jan
9.8Feb
9.6Mar
10.3Apr
12May
14.3Jun
16.3Jul
16.9Aug
16Sep
14.5Oct
13.1Nov
11.6Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
beach in Cornwall
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Porthbeor Beach?
The sea off Porthbeor Beach averages 16.9 °C at its warmest, in August, and 9.6 °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 Porthbeor Beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Porthbeor Beach?
Porthbeor Beach is on the coast of Cornwall, United Kingdom, at 50.1495, -4.9935. The map on this site flies straight to it.