What is the best time to visit Koh Tao?

December to February is the best time to visit Koh Tao as the weather is warm and sunny and it's the busiest time for the bars and clubs. July to September is the best time to visit for great visibility during diving. March to May is comparatively hot, and visibility isn't great, but whale sharks are common in this period. The months of October and November are the worst time to visit Koh Samui as the rains start hitting the island.

Weather in Koh Tao

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Upcoming Koh Tao Weather




Monthly Weather in Koh Tao

Month Avg. Minimum (°C) Avg. Maximum (°C)
January 23 29
February 23 31
March 24 32
April 25 32
May 26 32
June 25 32
July 25 32
August 25 32
September 25 32
October 25 32
November 25 30
December 24 29

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