The weather on Koh Phangan
The weather on Koh Phangan is best described by the average temperature of 25 ℃ – 34 ℃, with lots of sunshine, high humidity and, as the word tropical rainforest implies, the occasional showers. The average annual rainfall is about 1,800 millimeter, February has the lowest average of about 34 millimeter whereas November has the highest average of about 450 millimeter.
Koh Phangan Seasons
The weather is pretty constant during the year but roughly there are three main seasons on Koh Phangan:
The dry season (mid December – April) when it is mostly dry and relatively cool
The hot season (May – September), when it can be very hot with occasional storms
The wet season (October – mid December), when there can be a strong and windy monsoon and a lot of rain
Koh Phangan Climate
Due to its proximity to the equator, the climate on Koh Phangan is tropical. Overall we would say the best time to visit Koh Phangan is from January to August, when the weather conditions are usually at their best. However like in many countries the weather on Koh Phangan can be unpredictable and local: on one part of the island you might lie on the beach while on the other side you may have to shelter for a scattered thundershower. If you like a tan, be aware that the sun can be extremely strong. Even on a cloudy day you can get sunburned easily.