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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:
🌦
+24°C
Temperature now
+23°C
Min.
+25°C
Max.
7 m/s
Wind now
0 m/s
Min.
12 m/s
Max.
67%
Humidity now
51%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Mon, 23 December
🌦
+24°C
Rain
7 m/s
67 %
Tue, 24 December
☁️
+24°C
Broken clouds
5 m/s
64 %
Wed, 25 December
🌦
+25°C
Rain
7 m/s
71 %
Thu, 26 December
🌦
+25°C
Rain
5 m/s
70 %
Fri, 27 December
🌦
+25°C
Rain
7 m/s
79 %
Sat, 28 December
🌦
+25°C
Rain
6 m/s
75 %
Sun, 29 December
🌦
+24°C
Rain
8 m/s
82 %
Mon, 30 December
🌦
+25°C
Rain
4 m/s
73 %
Tue, 31 December
🌦
+24°C
Rain
3 m/s
74 %
Wed, 01 January
☁️
+25°C
Broken clouds
4 m/s
72 %
Thu, 02 January
🌦
+25°C
Rain
5 m/s
71 %
Fri, 03 January
🌦
+25°C
Rain
7 m/s
73 %
Sat, 04 January
🌦
+25°C
Rain
3 m/s
70 %
Sun, 05 January
🌦
+24°C
Rain
3 m/s
75 %
Mon, 06 January
☁️
+24°C
Broken clouds
3 m/s
69 %
Tue, 07 January
☁️
+24°C
Broken clouds
3 m/s
74 %

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