Weather in Ko Samui, Thailand 🇹🇭
In Ko Samui right now it is 29°C and patchy rain nearby, feeling like 32°C. Humidity is 74% with winds around 14 km/h, and the UV index is 2 (low). Over the next few days, temperatures in Ko Samui range from about 28°C to 30°C.
Hourly Forecast for Ko Samui
14-Day Forecast for Ko Samui
Moderate rain
Patchy rain nearby
Moderate rain
Patchy rain nearby
Patchy rain nearby
Moderate rain
Patchy rain nearby
Partly Cloudy
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Additional Forecasts for Ko Samui
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Thailand
Best Time to Be Outside in Ko Samui Today
The most comfortable window in Ko Samui today looks like 15:00 to 17:00, when it is around 30°C. It should stay dry through that window. The next likely rain is around 19:00.
Frequently Asked Questions about Weather in Ko Samui
What is the temperature in Ko Samui right now?
The current temperature in Ko Samui is 29°C (83°F), patchy rain nearby (feels like 32°C).
What's the weather like in Ko Samui right now?
Conditions in Ko Samui right now: Patchy rain nearby, humidity 74%, wind 14 km/h W.
What is today's forecast for Ko Samui?
Today in Ko Samui: high 30°C, low 28°C, moderate rain. Chance of rain: 74%.
What is the 7-day weather forecast for Ko Samui?
Daily highs and lows for Ko Samui:
- 2026-06-15: 30°C / 28°C
- 2026-06-16: 30°C / 28°C
- 2026-06-17: 30°C / 29°C
- 2026-06-18: 30°C / 29°C
- 2026-06-19: 30°C / 28°C
- 2026-06-20: 28°C / 27°C
- 2026-06-21: 29°C / 28°C
Is it going to rain in Ko Samui today?
There is a 74% chance of rain in Ko Samui today. Total expected precipitation: 13.13 mm.
What is the wind speed in Ko Samui right now?
Wind in Ko Samui is currently 14 km/h (9 mph) from the W.
What is the UV index in Ko Samui right now?
The UV index in Ko Samui is currently 1.5 (low). Sun protection is recommended when the index is 3 or higher.
