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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:
🌦
+78°F
Temperature now
+74°F
Min.
+78°F
Max.
12 m/s
Wind now
0 m/s
Min.
9 m/s
Max.
82%
Humidity now
50%
Min.
97%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Sat, 21 June
🌦
+77°F
Rain
12 m/s
82 %
Sun, 22 June
🌦
+77°F
Rain
11 m/s
76 %
Mon, 23 June
🌦
+79°F
Rain
12 m/s
74 %
Tue, 24 June
🌦
+79°F
Rain
9 m/s
74 %
Wed, 25 June
🌦
+81°F
Rain
8 m/s
71 %
Thu, 26 June
🌦
+79°F
Rain
9 m/s
72 %
Fri, 27 June
🌦
+75°F
Rain
6 m/s
78 %
Sat, 28 June
🌦
+77°F
Rain
8 m/s
76 %
Sun, 29 June
🌦
+79°F
Rain
9 m/s
73 %
Mon, 30 June
🌦
+81°F
Rain
8 m/s
70 %
Tue, 01 July
🌦
+81°F
Rain
8 m/s
70 %
Wed, 02 July
☁️
+79°F
Broken clouds
6 m/s
74 %
Thu, 03 July
🌦
+77°F
Rain
9 m/s
79 %
Fri, 04 July
🌦
+77°F
Rain
10 m/s
75 %
Sat, 05 July
🌦
+77°F
Rain
9 m/s
79 %
Sun, 06 July
🌦
+79°F
Rain
11 m/s
73 %

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