Beach
Little Beach
Portland, United Kingdom · sea 17.1 °C at its warmest, in August

Sea temperature month by month
9.5Jan
8.6Feb
8.4Mar
9.5Apr
11.3May
13.7Jun
15.8Jul
17.1Aug
17Sep
15.6Oct
13.3Nov
11Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Little Beach is a small secluded beach on the eastern side of the Isle of Portland, Dorset, England; part of the Jurassic Coast.
Questions
How warm is the sea at Little Beach?
The sea off Little Beach averages 17.1 °C at its warmest, in August, and 8.4 °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 Little 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 Little Beach?
Little Beach is on the coast of Portland, United Kingdom, at 50.5486, -2.4167. The map on this site flies straight to it.