Ko Samui Weather in August
Ko Samui in August
The short of it: Ko Samui in August averages a high of 32 °C (89 °F) and a low of 25 °C (77 °F), with 89 mm (3.5 in) of rain and about 12 h 26 min of daylight. Rated 2 of 5 for a visit; the best months are February and December. Source: TerraClimate climate normals, 1991–2020.
Average high 32° · low 25° · rain 89 mm · daylight 12 h 26 min
✦✦ Travel with care for a visit · best months: February & December
August in Ko Samui brings afternoons near 32° and nights around 25°, with about 89 mm of rain over the month. Days run hot, near 32° in the afternoon; ride early and rest at noon. Wet spells are common — about 89 mm, the 9th wettest month.
The sun is up for about 12 h 26 min in mid-August.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates August 2 of 5 for a visit; the finest months here are February and December.
Against its neighbours, Ko Samui runs cooler than most and drier than most in August. Ko Pha Ngan, 27 km to the NNE, is 1° cooler by day.
August in Ko Samui, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus July
- about the same, 10 mm more rain
- Versus September
- about the same
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 26 min
- Average wind
- 9 km/h
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Ko Pha NganSurat Thani | 27 km NNE | 31° | 24° | 95 mm |
| Don SakSurat Thani | 36 km SW | 33° | 25° | 102 mm |
| Koh TaoSurat Thani | 63 km N | 31° | 24° | 101 mm |
| Surat ThaniSurat Thani | 79 km WSW | 33° | 24° | 139 mm |
| ChaiyaSurat Thani | 83 km WSW | 32° | 24° | 114 mm |
| Tha KhamSurat Thani | 91 km WSW | 33° | 24° | 150 mm |
| Ban Na SanSurat Thani | 103 km SW | 33° | 23° | 243 mm |
| Lang SuanChumphon | 104 km WNW | 32° | 24° | 186 mm |