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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

Great Weather
Warm
☀️
Sunny
Temperature, wind, and humidity right now:
⛅️
+79°F
Temperature now
+77°F
Min.
+81°F
Max.
7 m/s
Wind now
0 m/s
Min.
13 m/s
Max.
73%
Humidity now
55%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Fri, 20 March
⛅️
+79°F
Few clouds
7 m/s
73 %
Sat, 21 March
⛅️
+77°F
Few clouds
7 m/s
72 %
Sun, 22 March
☁️
+77°F
Broken clouds
7 m/s
77 %
Mon, 23 March
⛅️
+77°F
Few clouds
8 m/s
75 %
Tue, 24 March
🌦
+79°F
Rain
6 m/s
73 %
Wed, 25 March
☁️
+77°F
Broken clouds
7 m/s
70 %
Thu, 26 March
☀️
+77°F
Clear sky
6 m/s
74 %
Fri, 27 March
☁️
+77°F
Broken clouds
6 m/s
75 %
Sat, 28 March
☁️
+77°F
Scattered clouds
6 m/s
70 %
Sun, 29 March
☁️
+77°F
Scattered clouds
5 m/s
70 %
Mon, 30 March
☀️
+77°F
Clear sky
5 m/s
66 %
Tue, 31 March
⛅️
+77°F
Few clouds
8 m/s
72 %
Wed, 01 April
☁️
+77°F
Scattered clouds
6 m/s
75 %
Thu, 02 April
☀️
+77°F
Clear sky
5 m/s
74 %
Fri, 03 April
☀️
+77°F
Clear sky
7 m/s
73 %
Sat, 04 April
🌦
+77°F
Rain
4 m/s
76 %

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