Beach
Kamala beach
Phuket, Thailand · sea 29.9 °C at its warmest, in May

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 20 km offshore, at the nearest open water cell of a 0.25° grid.
About
Kamala Beach or just Kamala (Thai: กมลา, pronounced [kā.mā.lāː]) refers to the beach and town on the west coast of Phuket, Thailand. It is one of the major tourist attractions in Phuket.
Questions
How warm is the sea at Kamala beach?
The sea off Kamala beach averages 29.9 °C at its warmest, in May, and 28.4 °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 Kamala 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 Kamala beach?
Kamala beach is on the coast of Phuket, Thailand, at 7.9569, 98.2831. The map on this site flies straight to it.