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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.
+27°C
Max.
7 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
75%
Humidity now
50%
Min.
97%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 31 March
🌦
+27°C
Rain
7 m/s
75 %
Wed, 01 April
☀️
+25°C
Clear sky
5 m/s
73 %
Thu, 02 April
⛅️
+26°C
Few clouds
7 m/s
76 %
Fri, 03 April
☁️
+25°C
Broken clouds
7 m/s
74 %
Sat, 04 April
☁️
+26°C
Broken clouds
6 m/s
73 %
Sun, 05 April
☁️
+26°C
Broken clouds
5 m/s
77 %
Mon, 06 April
🌦
+26°C
Rain
4 m/s
72 %
Tue, 07 April
🌦
+26°C
Rain
6 m/s
76 %
Wed, 08 April
☁️
+26°C
Broken clouds
6 m/s
71 %
Thu, 09 April
🌦
+26°C
Rain
8 m/s
72 %
Fri, 10 April
🌦
+26°C
Rain
5 m/s
70 %
Sat, 11 April
☁️
+26°C
Broken clouds
5 m/s
77 %
Sun, 12 April
☁️
+26°C
Broken clouds
5 m/s
72 %
Mon, 13 April
☁️
+26°C
Broken clouds
5 m/s
76 %
Tue, 14 April
🌦
+26°C
Rain
5 m/s
80 %
Wed, 15 April
☁️
+26°C
Broken clouds
5 m/s
79 %

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