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Weather in Ko Samui

Discover today’s weather in Ko Samui and see if now is a good time to travel with our 16 day forecast.
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Weather in Ko Samui today

Good Weather
Warm
☁️
Cloudy
Temperature, wind, and humidity right now:
☁️
+28°C
Temperature now
+24°C
Min.
+28°C
Max.
6 m/s
Wind now
0 m/s
Min.
9 m/s
Max.
71%
Humidity now
41%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 19 March
☁️
+28°C
Scattered clouds
6 m/s
71 %
Fri, 20 March
☀️
+25°C
Clear sky
8 m/s
74 %
Sat, 21 March
☁️
+25°C
Broken clouds
7 m/s
71 %
Sun, 22 March
☁️
+25°C
Scattered clouds
7 m/s
73 %
Mon, 23 March
⛅️
+25°C
Few clouds
6 m/s
75 %
Tue, 24 March
🌦
+26°C
Rain
7 m/s
74 %
Wed, 25 March
⛅️
+26°C
Few clouds
7 m/s
68 %
Thu, 26 March
⛅️
+26°C
Few clouds
6 m/s
67 %
Fri, 27 March
☁️
+25°C
Broken clouds
6 m/s
68 %
Sat, 28 March
☁️
+26°C
Scattered clouds
8 m/s
75 %
Sun, 29 March
🌦
+26°C
Rain
7 m/s
67 %
Mon, 30 March
☁️
+26°C
Broken clouds
6 m/s
68 %
Tue, 31 March
⛅️
+26°C
Few clouds
7 m/s
73 %
Wed, 01 April
☁️
+26°C
Broken clouds
6 m/s
72 %
Thu, 02 April
☁️
+26°C
Scattered clouds
5 m/s
72 %
Fri, 03 April
☁️
+26°C
Scattered clouds
5 m/s
73 %

Weather in Ko Samui year round

Weather by month. Click on a month to see full weather information.
The average temperature during the whole year is around +27°C, with the lowest average of +25°C in January and the highest average of +28°C in May

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Ko Samui