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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:
🌦
+79°F
Temperature now
+77°F
Min.
+79°F
Max.
7 m/s
Wind now
0 m/s
Min.
8 m/s
Max.
75%
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:
Sat, 23 November
🌦
+79°F
Rain
7 m/s
75 %
Sun, 24 November
🌦
+79°F
Rain
7 m/s
72 %
Mon, 25 November
🌦
+79°F
Rain
8 m/s
76 %
Tue, 26 November
🌦
+79°F
Rain
8 m/s
78 %
Wed, 27 November
🌦
+77°F
Rain
5 m/s
76 %
Thu, 28 November
🌦
+77°F
Rain
11 m/s
77 %
Fri, 29 November
🌦
+77°F
Rain
10 m/s
78 %
Sat, 30 November
🌦
+75°F
Rain
13 m/s
88 %
Sun, 01 December
🌦
+77°F
Rain
8 m/s
79 %
Mon, 02 December
🌦
+75°F
Rain
3 m/s
76 %
Tue, 03 December
🌦
+77°F
Rain
3 m/s
74 %
Wed, 04 December
🌦
+77°F
Rain
2 m/s
75 %
Thu, 05 December
🌦
+77°F
Rain
4 m/s
71 %
Fri, 06 December
☁️
+77°F
Scattered clouds
2 m/s
70 %
Sat, 07 December
🌦
+77°F
Rain
2 m/s
74 %
Sun, 08 December
🌦
+75°F
Rain
3 m/s
80 %

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