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Smarter Travel Planning

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:
🌦
+77°F
Temperature now
+73°F
Min.
+79°F
Max.
5 m/s
Wind now
0 m/s
Min.
10 m/s
Max.
85%
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:
Mon, 19 October
🌦
+77°F
Rain
5 m/s
85 %
Tue, 20 October
🌦
+75°F
Rain
3 m/s
81 %
Wed, 21 October
🌦
+77°F
Rain
5 m/s
78 %
Thu, 22 October
🌦
+77°F
Rain
6 m/s
76 %
Fri, 23 October
🌦
+79°F
Rain
6 m/s
75 %
Sat, 24 October
🌦
+75°F
Rain
8 m/s
79 %
Sun, 25 October
🌦
+77°F
Rain
10 m/s
74 %
Mon, 26 October
🌦
+75°F
Rain
9 m/s
80 %
Tue, 27 October
🌦
+79°F
Rain
4 m/s
72 %
Wed, 28 October
🌦
+79°F
Rain
4 m/s
71 %
Thu, 29 October
🌦
+79°F
Rain
3 m/s
64 %
Fri, 30 October
☁️
+79°F
Scattered clouds
3 m/s
68 %
Sat, 31 October
🌦
+79°F
Rain
3 m/s
69 %
Sun, 01 November
☁️
+79°F
Broken clouds
3 m/s
73 %
Mon, 02 November
🌦
+79°F
Rain
2 m/s
70 %
Tue, 03 November
🌦
+77°F
Rain
4 m/s
72 %

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