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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:
🌦
+72°F
Temperature now
+70°F
Min.
+77°F
Max.
7 m/s
Wind now
0 m/s
Min.
11 m/s
Max.
92%
Humidity now
58%
Min.
100%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Today, 28 December
🌦
+72°F
Rain
7 m/s
92 %
Sun, 29 December
🌦
+75°F
Rain
6 m/s
83 %
Mon, 30 December
🌦
+77°F
Rain
4 m/s
73 %
Tue, 31 December
☁️
+77°F
Broken clouds
3 m/s
69 %
Wed, 01 January
☁️
+77°F
Broken clouds
3 m/s
67 %
Thu, 02 January
☁️
+75°F
Broken clouds
5 m/s
73 %
Fri, 03 January
🌦
+77°F
Rain
4 m/s
70 %
Sat, 04 January
🌦
+77°F
Rain
9 m/s
77 %
Sun, 05 January
🌦
+75°F
Rain
9 m/s
72 %
Mon, 06 January
☁️
+75°F
Broken clouds
8 m/s
69 %
Tue, 07 January
🌦
+75°F
Rain
5 m/s
67 %
Wed, 08 January
⛅️
+75°F
Few clouds
5 m/s
63 %
Thu, 09 January
☁️
+75°F
Broken clouds
3 m/s
59 %
Fri, 10 January
☁️
+75°F
Broken clouds
3 m/s
62 %
Sat, 11 January
🌦
+75°F
Rain
5 m/s
76 %
Sun, 12 January
🌦
+75°F
Rain
8 m/s
81 %

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