Month-by-month travel weather
Ko Samui August weather
Ko Samui, Thailand · August
Quick-dry gear helps more than you expect
August can bring frequent showers and high humidity. Intensity varies day to day.
After rain, heat returns quickly. Quick-dry gear and indoor anchors often make the month feel easier.
August averages at a glance
Average low
around 25–26°C
Average high
around 30–31°C
Average rainfall
around 90–170 mm
Wet days
about 12–20 days
What to wear in August in Ko Samui
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Quick-dry clothing + water-safe pouch helps.
- • Light rain jacket can feel easier than an umbrella on some days.
- • Grip footwear helps on wet pavement.
Travel tips for visiting Ko Samui in August
- • Use the pause-and-move rhythm to keep frustration low.
- • A spare tee reduces discomfort if you get soaked.
August weather in Ko Samui — FAQ
Q. Is August rainy every day?
A. Not guaranteed, but frequent showers are common. Day-to-day patterns vary.
Q. Can you enjoy the beach?
A. Yes, but timing matters. Short windows after rain often work best.
Explore Ko Samui
These pages are connected so you can compare conditions and decide for yourself.