Beach
Rotherslade
Swansea, United Kingdom · sea 17.7 °C at its warmest, in August

Sea temperature month by month
8.1Jan
7.5Feb
7.7Mar
9.2Apr
11.4May
14.1Jun
16.4Jul
17.7Aug
17.2Sep
15Oct
12.3Nov
9.7Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Rotherslade is a small stretch of sandy beach at the eastern end of Langland Bay in the south Gower Peninsula, Wales.
Questions
How warm is the sea at Rotherslade?
The sea off Rotherslade averages 17.7 °C at its warmest, in August, and 7.5 °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 Rotherslade?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Rotherslade?
Rotherslade is on the coast of Swansea, United Kingdom, at 51.5660, -4.0070. The map on this site flies straight to it.
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