Beach
White Sand Beach
Taiwan · sea 29.2 °C at its warmest, in July

Sea temperature month by month
24.5Jan
24.5Feb
25Mar
26.4Apr
27.8May
28.8Jun
29.2Jul
29Aug
28.7Sep
27.8Oct
26.5Nov
25.2Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
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 White Sand Beach?
The sea off White Sand Beach averages 29.2 °C at its warmest, in July, and 24.5 °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 White Sand Beach?
The sea reaches 20 °C or more from All year. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is White Sand Beach?
White Sand Beach is on the coast of Taiwan, at 21.9354, 120.7160. The map on this site flies straight to it.