In Southern Thailand , as against other areas distinguish two seasons: wet and dry, but despite of it, the temperature on Koh Phangan tends to remain a constant the year round.
It is better to avoid the most damp months - October and November when weather conditions are defined by monsoons, and weather is changeable, and as well as the beginning of December which as can please you with rains.
The dry season usually lasts from February till April. The truth at this time too there are rains, but some hours per day are very rare also all.
The island tends to be filled by tourists between November, December, February, from March till August while January and July sometimes too draw travellers. If you would like to avoid crowds and to turn to account the low prices consider to arrive Koh Phangan in April, May and June.
But most of all sunny days, without overcast you will meet in September.


May — Jul : Short-term rains the sun also shines
Aug — Sep : the best time to go
Oct - Nov — heavy rains
Dec — May : Quiet sunny days

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