Koh Phangan is one of several regions in Thailand, with temperatures that range from 28°C (82°F) in January to 31°C (88°F) during the peak of May. We've based our full climate overview on data from Haad Rin, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
High temperatures are a constant in Koh Phangan, especially in Haad Rin, with average maximums staying above 28°C (82°F) all year long.
The peak heat season generally takes place in April, May and June.
Precipitation in Koh Phangan varies considerably throughout the year. The wettest conditions occur in October with 315 mm (12 in) of rain, while February stays relatively dry with 44 mm (1.7 in). The region experiences its rainy season during October and November, when monthly rainfall can range from 280 mm (11 in) to 315 mm (12 in).
For those seeking sunshine, March usually has the brightest skies, making it an excellent time for exploring the region.