Climate in Lamai Beach (Koh Samui), Thailand

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Lamai Beach, Thailand

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Lamai Beach, Thailand

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* Data from: Koh Samui, Thailand (14 KM, 8 Miles).

Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Lamai Beach, Thailand

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* Data from: Koh Samui, Thailand (14 KM, 8 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Lamai Beach, Thailand

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Lamai Beach, Thailand

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Lamai Beach, Thailand

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* Data from: Koh Samui, Thailand (14 KM, 8 Miles).

Weather Forecasts for Lamai Beach

Fri   Mar 29
31°C | 28°C
SE 7 km/h
partly cloudy and no rain

partly cloudy and no rain

Sat   Mar 30
32°C | 28°C
SE 7 km/h
0.6 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Sun   Mar 31
32°C | 28°C
E 4 km/h
0.2 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

The best time of year to visit Lamai Beach in Thailand

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Lamai Beach?
    Most rainfall (rainy season) is seen in September, October, November and December.
  • Which is the hottest month in Lamai Beach?
    May has an average maximum temperature of 31°C and is the hottest month of the year.
  • Which is the coolest month in Lamai Beach?
    The coolest month is January with an average maximum temperature of 29°C.
  • Which is the wettest month in Lamai Beach?
    November tops the wettest month list with 302 mm of rainfall.
  • Which is the driest month in Lamai Beach?
    February is the driest month with 46 mm of precipitation.
  • Which is the sunniest month in Lamai Beach?
    March is the sunniest month with an average of 240 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.