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Light drizzle

Koh Samui

Thailand

28°C

Today's high

23°C Tonight's low

Drizzle

It is currently night time there

Sunrise: 06:00Sunset: 18:389pm: 24°C

Sea temperature: 30.4°C

We Say

Koh Samui beckons with endless days of golden sunshine and crystalline waters that shimmer like liquid silk against powdery white sand. Surrender yourself to the island's embrace where tropical warmth melts away every worry and azure horizons promise pure, unadulterated bliss.

16-Day Forecast

Wed

3 Jun

Light drizzle

28°C

Daytime High

30.4°C sea

23°C

Overnight Low

☀☀☀○○

6.3h sun

Today

4 Jun

Light drizzle

28°C

Daytime High

30.4°C sea

24°C

Overnight Low

☀☀☀☀☀

9.1h sun

Fri

5 Jun

Heavy drizzle

28°C

Daytime High

30.5°C sea

24°C

Overnight Low

☀☀☀☀☀

10.6h sun

Sat

6 Jun

Rain showers

29°C

Daytime High

30.6°C sea

24°C

Overnight Low

☀☀☀☀

8.5h sun

Sun

7 Jun

Rain showers

29°C

Daytime High

30.9°C sea

23°C

Overnight Low

☀☀☀☀☀

11.2h sun

Mon

8 Jun

Rain showers

29°C

Daytime High

31°C sea

23°C

Overnight Low

☀☀☀☀☀

10.9h sun

Tue

9 Jun

Light drizzle

28°C

Daytime High

30.9°C sea

23°C

Overnight Low

☀☀☀☀☀

9.1h sun

Wed

10 Jun

Heavy drizzle

30°C

Daytime High

31°C sea

25°C

Overnight Low

☀☀☀☀☀

12.5h sun

Thu

11 Jun

Heavy drizzle

29°C

Daytime High

31°C sea

23°C

Overnight Low

☀☀☀☀☀

11.8h sun

Fri

12 Jun

Light drizzle

30°C

Daytime High

31.2°C sea

24°C

Overnight Low

☀☀☀☀☀

12.6h sun

Sat

13 Jun

Light drizzle

29°C

Daytime High

~31°C sea

24°C

Overnight Low

☀☀☀☀☀

10.1h sun

Sun

14 Jun

Light drizzle

29°C

Daytime High

~31°C sea

24°C

Overnight Low

☀☀☀☀☀

10.4h sun

Mon

15 Jun

Heavy drizzle

29°C

Daytime High

~31°C sea

23°C

Overnight Low

☀☀☀☀☀

10.8h sun

Tue

16 Jun

Light drizzle

29°C

Daytime High

~31°C sea

24°C

Overnight Low

☀☀☀☀☀

9.9h sun

Wed

17 Jun

Light drizzle

30°C

Daytime High

~31°C sea

25°C

Overnight Low

☀☀☀☀☀

12.6h sun

Thu

18 Jun

Overcast

27°C

Daytime High

~31°C sea

25°C

Overnight Low

☀☀☀☀☀

12.6h sun

☀ = sunshine score · °C high / low · hours of sunshine shown below

About Koh Samui

Koh Samui in Thailand stands out as one of Southeast Asia's most captivating tropical destinations, offering the perfect combination of pristine beaches, vibrant culture, and year-round sunshine that makes it ideal for anyone seeking an authentic island escape. Whether you're a couple looking for romance, a family wanting adventure, or a solo traveller seeking relaxation and connection, this stunning island delivers unforgettable experiences against a backdrop of crystal-clear waters and lush coconut groves. The destination has earned its reputation as a premier sunshine holiday hotspot thanks to its consistently warm climate and diverse range of activities that cater to every type of traveller.

The climate in Koh Samui, Thailand offers warm, tropical conditions throughout the year, though temperatures and conditions do vary by season. During the peak summer months, average temperatures reach around 30°C, while the winter period sees slightly cooler averages of 24°C, creating consistently pleasant conditions comparable to the Mediterranean climate of southern Europe. The sea temperature peaks at approximately 32°C during warmer months, making it ideal for swimming and water activities. The island experiences two distinct seasons: the dry season brings sunny skies and lower humidity, while the monsoon season from October to November can bring rainfall, though the island still receives plenty of sunshine during this period.

The best time to visit Koh Samui aligns with the warmest and sunniest months from December through March, when you'll experience peak sunshine, minimal rainfall, and the most comfortable conditions for beach activities and exploration. This period represents the ideal window for holidays in Koh Samui weather-wise, though the island remains attractive year-round for budget-conscious travellers and those seeking fewer crowds during shoulder seasons.

Koh Samui weather creates the perfect backdrop for exploring a remarkable array of attractions and experiences. Discover the iconic Big Buddha statue, explore vibrant night markets filled with street food, relax at world-class spas, or embrace adventure through snorkelling, diving, and jungle treks. The island's culinary scene showcases authentic Thai cuisine alongside international dining, while beach clubs and traditional fishing villages offer contrasting experiences of island life.

Getting to Koh Samui is straightforward, with direct flights available from Singapore, the UAE, and Australia. Travellers from the United Kingdom, Ireland, Germany, Netherlands, France, New Zealand, South Africa, the United States, Canada, and numerous European destinations including Sweden, Denmark, Finland, Spain, Italy, Norway, Belgium, Switzerland, and Austria can access the island via convenient one-stop connections, making it easily accessible for international visitors planning their next tropical getaway.