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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.
Check flight prices to Ko Samui on Avionero:
Dates, flexibility, days away

Weather in Ko Samui today

Good Weather
Warm
🌧️
Rainy
Temperature, wind, and humidity right now:
🌦
+26°C
Temperature now
+26°C
Min.
+27°C
Max.
6 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
72%
Humidity now
49%
Min.
98%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 17 July
🌦
+26°C
Rain
6 m/s
72 %
Sat, 18 July
🌦
+25°C
Rain
7 m/s
74 %
Sun, 19 July
🌦
+26°C
Rain
9 m/s
75 %
Mon, 20 July
🌦
+26°C
Rain
8 m/s
72 %
Tue, 21 July
🌦
+26°C
Rain
8 m/s
71 %
Wed, 22 July
🌦
+26°C
Rain
9 m/s
72 %
Thu, 23 July
🌦
+26°C
Rain
11 m/s
72 %
Fri, 24 July
☁️
+26°C
Broken clouds
9 m/s
72 %
Sat, 25 July
☁️
+26°C
Broken clouds
11 m/s
72 %
Sun, 26 July
🌦
+26°C
Rain
12 m/s
73 %
Mon, 27 July
🌦
+24°C
Rain
12 m/s
83 %
Tue, 28 July
🌦
+25°C
Rain
9 m/s
72 %
Wed, 29 July
🌦
+26°C
Rain
12 m/s
74 %
Thu, 30 July
☁️
+26°C
Broken clouds
12 m/s
70 %
Fri, 31 July
🌦
+28°C
Rain
11 m/s
66 %
Sat, 01 August
🌦
+27°C
Rain
12 m/s
72 %

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