When planning a visit to Koh Tao Island in Thailand, it helps to know that temperatures typically range from 28°C (82°F) in January up to 31°C (88°F) during the peak of May. Our detailed climate overview is based on data from Koh Tao, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Koh Tao Island, and particularly Koh Tao, experiences consistently warm weather throughout the year, with average highs always exceeding 28°C (82°F).
April, May and June are generally the hottest months of the year.
Precipitation in Koh Tao Island varies considerably throughout the year. The wettest conditions occur in October with 311 mm (12 in) of rain, while February stays relatively dry with 38 mm (1.5 in). The region experiences its rainy season during September, October and November, when monthly rainfall can range from 202 mm (8 in) to 311 mm (12 in).
March is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
