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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
☁️
Cloudy
Temperature, wind, and humidity right now:
☁️
+77°F
Temperature now
+72°F
Min.
+78°F
Max.
5 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
74%
Humidity now
45%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 17 January
☁️
+77°F
Scattered clouds
5 m/s
74 %
Sun, 18 January
⛅️
+75°F
Few clouds
6 m/s
74 %
Mon, 19 January
☁️
+73°F
Broken clouds
6 m/s
80 %
Tue, 20 January
🌦
+75°F
Rain
7 m/s
77 %
Wed, 21 January
🌦
+77°F
Rain
6 m/s
69 %
Thu, 22 January
☁️
+75°F
Broken clouds
8 m/s
75 %
Fri, 23 January
🌦
+75°F
Rain
7 m/s
76 %
Sat, 24 January
🌦
+75°F
Rain
7 m/s
76 %
Sun, 25 January
☁️
+75°F
Broken clouds
6 m/s
74 %
Mon, 26 January
☁️
+73°F
Scattered clouds
6 m/s
79 %
Tue, 27 January
☁️
+75°F
Broken clouds
5 m/s
74 %
Wed, 28 January
☁️
+75°F
Broken clouds
6 m/s
72 %
Thu, 29 January
🌦
+75°F
Rain
7 m/s
76 %
Fri, 30 January
🌦
+75°F
Rain
9 m/s
74 %
Sat, 31 January
🌦
+75°F
Rain
6 m/s
69 %
Sun, 01 February
🌦
+75°F
Rain
4 m/s
67 %

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