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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:
🌦
+75°F
Temperature now
+75°F
Min.
+79°F
Max.
10 m/s
Wind now
0 m/s
Min.
9 m/s
Max.
77%
Humidity now
51%
Min.
98%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Fri, 22 August
🌦
+75°F
Rain
10 m/s
77 %
Sat, 23 August
🌦
+77°F
Rain
8 m/s
74 %
Sun, 24 August
🌦
+77°F
Rain
10 m/s
74 %
Mon, 25 August
🌦
+79°F
Rain
10 m/s
73 %
Tue, 26 August
🌦
+79°F
Rain
13 m/s
73 %
Wed, 27 August
🌦
+77°F
Rain
10 m/s
80 %
Thu, 28 August
🌦
+77°F
Rain
9 m/s
73 %
Fri, 29 August
🌦
+79°F
Rain
9 m/s
74 %
Sat, 30 August
🌦
+79°F
Rain
10 m/s
73 %
Sun, 31 August
🌦
+77°F
Rain
9 m/s
77 %
Mon, 01 September
🌦
+79°F
Rain
12 m/s
74 %
Tue, 02 September
🌦
+77°F
Rain
11 m/s
79 %
Wed, 03 September
🌦
+79°F
Rain
10 m/s
75 %
Thu, 04 September
🌦
+79°F
Rain
9 m/s
75 %
Fri, 05 September
🌦
+79°F
Rain
9 m/s
74 %
Sat, 06 September
🌦
+79°F
Rain
11 m/s
77 %

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