Beach
Hua Hin beach
Hua Hin, Thailand · sea 30.4 °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
หาดหัวหิน เป็นชายหาดตามธรรมชาติของอำเภอหัวหิน จังหวัดประจวบคีรีขันธ์มีความยาวราว 20 กิโลเมตร
Questions
How warm is the sea at Hua Hin beach?
The sea off Hua Hin beach averages 30.4 °C at its warmest, in May, and 27.2 °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 Hua Hin 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 Hua Hin beach?
Hua Hin beach is on the coast of Hua Hin, Thailand, at 12.5428, 99.9633. The map on this site flies straight to it.