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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 for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 07 December
☁️
+77°F
Broken clouds
6 m/s
73 %
Mon, 08 December
🌦
+77°F
Rain
6 m/s
71 %
Tue, 09 December
🌦
+77°F
Rain
7 m/s
68 %
Wed, 10 December
☁️
+75°F
Broken clouds
5 m/s
69 %
Thu, 11 December
☁️
+77°F
Broken clouds
5 m/s
72 %
Fri, 12 December
🌦
+75°F
Rain
7 m/s
74 %
Sat, 13 December
🌦
+75°F
Rain
7 m/s
78 %
Sun, 14 December
🌦
+75°F
Rain
6 m/s
79 %
Mon, 15 December
🌦
+75°F
Rain
10 m/s
79 %
Tue, 16 December
🌦
+77°F
Rain
6 m/s
74 %
Wed, 17 December
⛅️
+77°F
Few clouds
4 m/s
70 %
Thu, 18 December
☁️
+75°F
Broken clouds
3 m/s
72 %
Fri, 19 December
☁️
+75°F
Broken clouds
2 m/s
70 %
Sat, 20 December
🌦
+77°F
Rain
3 m/s
71 %
Sun, 21 December
🌦
+77°F
Rain
2 m/s
68 %
Mon, 22 December
🌦
+75°F
Rain
3 m/s
71 %

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 +81°F, with the lowest average of +77°F in January and the highest average of +82°F in May

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Ko Samui