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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:
🌦
+25°C
Temperature now
+23°C
Min.
+27°C
Max.
5 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
82%
Humidity now
55%
Min.
99%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Tue, 14 October
🌦
+25°C
Rain
5 m/s
82 %
Wed, 15 October
🌦
+26°C
Rain
4 m/s
73 %
Thu, 16 October
🌦
+26°C
Rain
3 m/s
74 %
Fri, 17 October
🌦
+26°C
Rain
3 m/s
69 %
Sat, 18 October
🌦
+25°C
Rain
4 m/s
77 %
Sun, 19 October
🌦
+26°C
Rain
4 m/s
69 %
Mon, 20 October
🌦
+26°C
Rain
4 m/s
69 %
Tue, 21 October
🌦
+25°C
Rain
5 m/s
77 %
Wed, 22 October
🌦
+26°C
Rain
4 m/s
74 %
Thu, 23 October
🌦
+24°C
Rain
8 m/s
83 %
Fri, 24 October
🌦
+24°C
Rain
10 m/s
79 %
Sat, 25 October
🌦
+25°C
Rain
10 m/s
80 %
Sun, 26 October
🌦
+25°C
Rain
9 m/s
83 %
Mon, 27 October
🌦
+22°C
Rain
3 m/s
92 %
Tue, 28 October
🌦
+24°C
Rain
3 m/s
78 %
Wed, 29 October
🌦
+24°C
Rain
4 m/s
77 %

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