Beach
Sandymount Strand
Ireland · sea 15.1 °C at its warmest, in August

Sea temperature month by month
9.1Jan
8.1Feb
7.9Mar
8.7Apr
10.6May
13.1Jun
14.7Jul
15.1Aug
14.5Sep
13.4Oct
12.1Nov
10.6Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Sandymount Strand (Irish: Dumhach Thrá) is a large strand on the east coast of Ireland, adjacent to the village and suburb of Sandymount in Dublin.
Questions
How warm is the sea at Sandymount Strand?
The sea off Sandymount Strand averages 15.1 °C at its warmest, in August, and 7.9 °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 Sandymount Strand?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Sandymount Strand?
Sandymount Strand is on the coast of Ireland, at 53.3236, -6.2058. The map on this site flies straight to it.