Your trips
Organise your trips easily with tabs
London
Ko Samui
Any date
Duplicate
+ Search
background

Smarter Travel Planning

for a Better World

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.
Check flight prices to Ko Samui on Avionero:
Dates, flexibility, days away

Weather in Ko Samui today

Good Weather
Warm
🌧️
Rainy
Temperature, wind, and humidity right now:
🌦
+25°C
Temperature now
+25°C
Min.
+28°C
Max.
10 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
78%
Humidity now
49%
Min.
98%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Fri, 10 July
🌦
+25°C
Rain
10 m/s
78 %
Sat, 11 July
🌦
+26°C
Rain
10 m/s
73 %
Sun, 12 July
🌦
+27°C
Rain
12 m/s
73 %
Mon, 13 July
🌦
+25°C
Rain
10 m/s
79 %
Tue, 14 July
🌦
+26°C
Rain
12 m/s
71 %
Wed, 15 July
🌦
+27°C
Rain
9 m/s
70 %
Thu, 16 July
🌦
+26°C
Rain
9 m/s
77 %
Fri, 17 July
🌦
+26°C
Rain
10 m/s
75 %
Sat, 18 July
☁️
+28°C
Scattered clouds
12 m/s
68 %
Sun, 19 July
☁️
+28°C
Broken clouds
15 m/s
64 %
Mon, 20 July
🌦
+28°C
Rain
14 m/s
64 %
Tue, 21 July
☁️
+28°C
Broken clouds
13 m/s
64 %
Wed, 22 July
☁️
+28°C
Broken clouds
15 m/s
67 %
Thu, 23 July
🌦
+27°C
Rain
14 m/s
72 %
Fri, 24 July
☁️
+28°C
Broken clouds
12 m/s
67 %
Sat, 25 July
🌦
+27°C
Rain
9 m/s
66 %

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 +27°C, with the lowest average of +25°C in January and the highest average of +28°C in May

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Ko Samui