In order to really enjoy your stay in Koh Samui, the weather has to play along, of course.
It is therefore always a good idea to find out about and check when is the best time to travel to Koh Samui?
On this page, you can check out the weather tables and graphs to quickly get an idea of which season is the warmest or wettest in Koh Samui.
This enables you to choose the ideal time for a trip to Koh Samui.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 27° / 26° | 8 | 23 | 0 | 326 mm | Good | Koh Samui in January |
| February | 28° / 26° | 3 | 25 | 0 | 87 mm | Perfect | Koh Samui in February |
| March | 28° / 27° | 5 | 26 | 0 | 178 mm | Perfect | Koh Samui in March |
| April | 29° / 28° | 7 | 23 | 0 | 171 mm | Ok | Koh Samui in April |
| May | 30° / 28° | 7 | 24 | 0 | 155 mm | Ok | Koh Samui in May |
| June | 30° / 28° | 9 | 21 | 0 | 184 mm | Ok | Koh Samui in June |
| July | 29° / 27° | 8 | 23 | 0 | 163 mm | Ok | Koh Samui in July |
| August | 29° / 27° | 8 | 23 | 0 | 150 mm | Ok | Koh Samui in August |
| September | 29° / 27° | 10 | 20 | 0 | 188 mm | Ok | Koh Samui in September |
| October | 29° / 27° | 14 | 17 | 0 | 368 mm | Ok | Koh Samui in October |
| November | 29° / 27° | 17 | 13 | 0 | 565 mm | Ok | Koh Samui in November |
| December | 28° / 27° | 11 | 20 | 0 | 368 mm | Good | Koh Samui in December |