Ko Samui Weather in August
Thailand · 30-year monthly averages
🤔 Fair time to visit
August in Ko Samui is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 25°C (77°F). Expect roughly 102mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
Avg high
32°C
90°F
Avg low
25°C
77°F
Rainfall
102mm
moderate
Rainy days
11
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
August vs the rest of the year
FAQ
- How hot is Ko Samui in August?
- August in Ko Samui is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 25°C (77°F). Expect roughly 102mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
- Does it rain a lot in Ko Samui in August?
- Ko Samui sees around 102mm of precipitation in August on average — moderate by global standards.
- Is August a good time to visit Ko Samui?
- August is a workable month to visit Ko Samui, but expect some weather trade-offs.