Complete weather & hotel guide for Koh Samui, Thailand
The best time to visit Koh Samui is January to March. During this period, average temperatures range from 25°C to 29°C with comfortable conditions for sightseeing. Koh Samui has 377 hotels available on HOTEVI.
Best months to visit: February March
377 hotels available in Koh Samui
| Month | Avg High (°C) | Avg Low (°C) | Rainfall (mm) | Rating |
|---|---|---|---|---|
| January | 28 | 24 | - | ★★★★☆ |
| February | 28 | 24 | - | ★★★★★ |
| March | 30 | 25 | - | ★★★★★ |
| April | 31 | 26 | - | ★★★☆☆ |
| May | 31 | 26 | - | ★★★☆☆ |
| June | 31 | 26 | - | ★★★☆☆ |
| July | 30 | 26 | - | ★★★☆☆ |
| August | 31 | 26 | - | ★★★☆☆ |
| September | 30 | 25 | - | ★★★☆☆ |
| October | 29 | 25 | - | ★★★☆☆ |
| November | 28 | 24 | - | ★☆☆☆☆ |
| December | 28 | 24 | - | ★★★★☆ |
Mild and pleasant
High seasonMild and pleasant
ModerateMild and pleasant
Low seasonIdeal for sightseeing
High seasonReady to book? Browse 377 hotels in Koh Samui
Browse HotelsThe best months to visit Koh Samui are January to March. These months offer the most comfortable weather for sightseeing and outdoor activities.
May: Avg High 31°C, Avg Low 26°C, Rainfall 0mm.
Spring is a reasonable time to visit Koh Samui. While not peak season, you can still enjoy the city with fewer crowds and often lower hotel rates.
I'm Tourify, your personal hotel concierge.
Tourify may make mistakes. Verify important details.
