
Thailand
Koh Samui in August
33° / 25°Rainy days 29
Good-value Koh Samui hotels in August
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Koh Samui weather in August
33° / 25°
170 mm
29 / 30
20/100
Koh Samui in August ranks #11 of 12 months for comfort: highs around 33°C, lows 25°C, and about 29 rainy days. Compared with July, highs change by 0°C and rainy days by +2.
Compared with the months around it
| Month | High / Low | Rainy days | Index |
|---|---|---|---|
| July | 33° / 25° | 27 | 20 |
| August | 33° / 25° | 29 | 20 |
| September | 32° / 25° | 26 | 20 |
Top tours & tickets in Koh Samui
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Public holidays · August 2027
- 08/12Mother's Day









