The climate of Koh Samui is hot throughout the year. The rainy season is November in October, and the best season is from March to June in the dry season.

Koh Samui Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Highest Temperature 29 29 30 32 33 33 32 33 32 31 30 30 Lowest Temperature 24 25 25 26 25 25 25 25 25 24 24 24 Precipitation 115 47 66 87 126 100 126 71 92 204 262 158 　Singapore Highest Temperature 30 31 31 32 32 31 31 31 31 31 31 30 Lowest Temperature 23 24 24 24 25 25 24 24 24 24 24 23 Precipitation 198 154 171 141 158 140 145 143 177 167 252 304 Precipitation number of days 17 11 14 15 15 13 13 14 14 16 18 19

Thailand 　Bangkok 　Phuket 　Chiang Mai 　Hua Hin 　Koh Samui 　Krabi 　Pattaya 　Ayutthaya	The time difference of Koh Samui is UTC+7 There is no daylight saving time Local time UTC 0:00 17:00 1:00 18:00 2:00 19:00 3:00 20:00 4:00 21:00 5:00 22:00 6:00 23:00 7:00 0:00 8:00 1:00 9:00 2:00 10:00 3:00 11:00 4:00 12:00 5:00 13:00 6:00 14:00 7:00 15:00 8:00 16:00 9:00 17:00 10:00 18:00 11:00 19:00 12:00 20:00 13:00 21:00 14:00 22:00 15:00 23:00 16:00