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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:
🌦
+28°C
Temperature now
+25°C
Min.
+29°C
Max.
9 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
74%
Humidity now
48%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Sat, 05 July
🌦
+28°C
Rain
9 m/s
74 %
Sun, 06 July
🌦
+26°C
Rain
10 m/s
75 %
Mon, 07 July
🌦
+26°C
Rain
11 m/s
75 %
Tue, 08 July
🌦
+26°C
Rain
9 m/s
76 %
Wed, 09 July
🌦
+26°C
Rain
9 m/s
74 %
Thu, 10 July
🌦
+25°C
Rain
9 m/s
79 %
Fri, 11 July
🌦
+26°C
Rain
11 m/s
75 %
Sat, 12 July
🌦
+26°C
Rain
12 m/s
74 %
Sun, 13 July
🌦
+26°C
Rain
12 m/s
74 %
Mon, 14 July
🌦
+27°C
Rain
11 m/s
76 %
Tue, 15 July
🌦
+27°C
Rain
11 m/s
75 %
Wed, 16 July
☁️
+27°C
Broken clouds
11 m/s
74 %
Thu, 17 July
🌦
+27°C
Rain
11 m/s
68 %
Fri, 18 July
🌦
+27°C
Rain
11 m/s
74 %
Sat, 19 July
🌦
+27°C
Rain
10 m/s
75 %
Sun, 20 July
🌦
+26°C
Rain
12 m/s
78 %

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