By knowing how cold, mild, warm, or hot the weather in Koh Samui, you will find it easier to plan your days.
Our 14 day weather forecast for Koh Samui becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.
| Date | Temperatures | Wind | |||
|---|---|---|---|---|---|
| Monday, December 9 | 28 ° / 28 ° |  | Patchy rain possible | 17 Km/h | |
| Tuesday, December 10 | 29 ° / 27 ° | | Patchy light drizzle | 11 Km/h | |
| Wednesday, December 11 | 28 ° / 28 ° |  | Cloudy | 16 Km/h | |
| Thursday, December 12 | 28 ° / 27 ° |  | Light rain shower | 15 Km/h | |
| Friday, December 13 | 26 ° / 25 ° |  | Moderate rain | 17 Km/h | |
| Saturday, December 14 | 27 ° / 25 ° |  | Heavy rain | 26 Km/h | |
| Sunday, December 15 | 27 ° / 26 ° | | Moderate or heavy rain shower | 38 Km/h | |
| Monday, December 16 | 27 ° / 27 ° | | Light rain shower | 36 Km/h | |
| Tuesday, December 17 | 28 ° / 27 ° | | Patchy rain possible | 27 Km/h | |
| Wednesday, December 18 | 28 ° / 27 ° | | Light rain shower | 19 Km/h | |
| Thursday, December 19 | 27 ° / 27 ° | | Light rain shower | 9 Km/h | |
| Friday, December 20 | 28 ° / 27 ° | | Light rain shower | 21 Km/h | |
| Saturday, December 21 | 28 ° / 27 ° | | Light rain shower | 25 Km/h | |
| Sunday, December 22 | 27 ° / 26 ° | | Light rain shower | 24 Km/h | |
| Further Ahead | |||||
