Your trips
Organise your trips easily with tabs
London
Ko Samui
Any date
+ 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:
Pick dates

Weather in Ko Samui today

Good Weather
Warm
🌧️
Rainy
Temperature, wind, and humidity right now:
🌦
+27°C
Temperature now
+23°C
Min.
+28°C
Max.
11 m/s
Wind now
0 m/s
Min.
25 m/s
Max.
70%
Humidity now
50%
Min.
98%
Max.

Weather in Ko Samui for the upcoming 16 days

Here’s how the weather in Ko Samui looks currently:
Tue, 16 September
🌦
+27°C
Rain
11 m/s
70 %
Wed, 17 September
🌦
+26°C
Rain
8 m/s
75 %
Thu, 18 September
🌦
+25°C
Rain
11 m/s
76 %
Fri, 19 September
☁️
+25°C
Broken clouds
9 m/s
75 %
Sat, 20 September
☁️
+26°C
Broken clouds
10 m/s
69 %
Sun, 21 September
🌦
+27°C
Rain
8 m/s
67 %
Mon, 22 September
☁️
+26°C
Broken clouds
6 m/s
72 %
Tue, 23 September
🌦
+26°C
Rain
9 m/s
69 %
Wed, 24 September
🌦
+26°C
Rain
11 m/s
74 %
Thu, 25 September
🌦
+24°C
Rain
14 m/s
81 %
Fri, 26 September
🌦
+26°C
Rain
13 m/s
72 %
Sat, 27 September
🌦
+26°C
Rain
6 m/s
71 %
Sun, 28 September
🌦
+26°C
Rain
7 m/s
67 %
Mon, 29 September
🌦
+25°C
Rain
8 m/s
73 %
Tue, 30 September
🌦
+26°C
Rain
9 m/s
73 %
Wed, 01 October
🌦
+25°C
Rain
9 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 +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