ClimateForecastMayJune >>

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 water temperature

The mean water temperature over the year.

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

Monthly precipitation

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

Forecast for Lamai Beach

Sat   May 18
32°C | 27°C
E 7 km/h
6.4 mm
broken clouds and thunder

broken clouds and thunder

Sun   May 19
32°C | 27°C
SW 7 km/h
1.7 mm
broken clouds and thunder

broken clouds and thunder

Mon   May 20
32°C | 27°C
W 11 km/h
1.5 mm
broken clouds and thunder

broken clouds and thunder

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.