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Average water temperature in Lamai Beach

On this page you find the mean water temperature over the year in Lamai Beach (Koh Samui), Thailand. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.


Water temperatures in Lamai Beach remain warm year-round, perfect for aquatic activities. The warmest month, April, has an average temperature of 30°C.

The coolest water temperature month is January, averaging 27°C. Whether you’re swimming or just enjoying the water, Lamai Beach offers ideal conditions year-round.


Forecast for Lamai Beach

Wed   Jan 15
29°C | 24°C
NE 3 m/s
broken clouds and no rain

broken clouds and no rain

Thu   Jan 16
29°C | 24°C
NE 3 m/s
11 mm
partly cloudy and rain

partly cloudy and rain

Fri   Jan 17
29°C | 25°C
NE 3 m/s
1.1 mm
broken clouds and small chance of rain

broken clouds and small chance of rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Lamai Beach.

Our site offers climate and forecast data for every country in the world. Are you going to Thailand? On this website you can find historical weather averages for many cities in Thailand. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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