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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
🌧️
Rainy
Temperature, wind, and humidity right now:
🌦
+27°C
Temperature now
+25°C
Min.
+28°C
Max.
4 m/s
Wind now
0 m/s
Min.
9 m/s
Max.
71%
Humidity now
48%
Min.
99%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Sat, 19 April
🌦
+27°C
Rain
4 m/s
71 %
Sun, 20 April
🌦
+26°C
Rain
4 m/s
73 %
Mon, 21 April
☁️
+26°C
Scattered clouds
5 m/s
73 %
Tue, 22 April
☁️
+26°C
Broken clouds
4 m/s
74 %
Wed, 23 April
🌦
+26°C
Rain
5 m/s
73 %
Thu, 24 April
🌦
+26°C
Rain
5 m/s
73 %
Fri, 25 April
🌦
+26°C
Rain
7 m/s
72 %
Sat, 26 April
🌦
+26°C
Rain
5 m/s
73 %
Sun, 27 April
🌦
+26°C
Rain
4 m/s
74 %
Mon, 28 April
🌦
+26°C
Rain
3 m/s
72 %
Tue, 29 April
🌦
+26°C
Rain
9 m/s
68 %
Wed, 30 April
🌦
+26°C
Rain
7 m/s
72 %
Thu, 01 May
🌦
+25°C
Rain
6 m/s
73 %
Fri, 02 May
🌦
+26°C
Rain
4 m/s
74 %
Sat, 03 May
🌦
+26°C
Rain
6 m/s
72 %
Sun, 04 May
🌦
+26°C
Rain
6 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