Average water temperature in Koh Samui
On this page you find the mean water temperature over the year in Koh Samui (Bangkok Province), Thailand. Discover the unique water temperature patterns, from its warmest to its coolest months.
Koh Samui offers consistently warm water temperatures year-round. The warmest month, April, averages 30°C.
Even in the coolest water temperature month, January, the average temperature is 27°C. These conditions are perfect for water activities and relaxation throughout the year.
Forecast for Koh Samui
5 m/s
broken clouds and chance of rain
4 m/s
partly cloudy and small chance of rain
4 m/s
clear and no rain
Interested in more climate information?
This site provides you with all the information you need about the climate in Koh Samui.
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