Best time to swim in Koh Lanta in Thailand Sea temperature by month

Do you want to swim in the sea in Koh Lanta in Thailand? But when is the best time to go to be sure to have pleasant water for swimming in Koh Lanta and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Koh Lanta, based on the average temperatures recorded in previous years.

Best time to swim in Koh Lanta: the water temperature by month

Do you feel like swimming in Koh Lanta in Thailand? Discover the average sea temperature for each month of the year (based on previous years' data) and our opinion on swimming in the table below. For more information on the sea temperature of a specific month, click on the month's name in the table.

Month Sea temperature
January 83°F (min: 81°F/max: 85°F)
February 84°F (min: 83°F/max: 85°F)
March 85°F (min: 83°F/max: 87°F)
April 87°F (min: 85°F/max: 90°F)
May 87°F (min: 86°F/max: 89°F)
June 86°F (min: 84°F/max: 88°F)
July 86°F (min: 85°F/max: 88°F)
August 85°F (min: 83°F/max: 87°F)
September 85°F (min: 83°F/max: 87°F)
October 85°F (min: 83°F/max: 87°F)
November 86°F (min: 84°F/max: 87°F)
December 85°F (min: 82°F/max: 87°F)

Water temperature variation in Koh Lanta throughout the year

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