Ko Samui weather forecast

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Tuesday
19th Oct

30

26

6
Wednesday
20th Oct

31

27

5
Thursday
21st Oct

30

26

5
Friday
22nd Oct

31

27

4
Saturday
23rd Oct

31

26

4

Last updated at 04:05 on Monday 18th October 2021 GMT

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The 5-day weather forecast for Ko Samui, Thailand is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

Ko Samui weather forecast by day

Below are the detailed weather forecasts for Ko Samui for the next 5 days.

Ko Samui weather for Tuesday 19th October 2021

Below is the Ko Samui weather forecast for Tuesday 19th October 2021. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a light breeze of 8 kph from the north-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
82
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from NE

Ko Samui weather for Wednesday 20th October 2021

Below is the Ko Samui weather forecast for Wednesday 20th October 2021. Expect scattered clouds in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
scattered clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

Ko Samui weather for Thursday 21st October 2021

Below is the Ko Samui weather forecast for Thursday 21st October 2021. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a light breeze of 7 kph from the north-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
67
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from NE

Ko Samui weather for Friday 22nd October 2021

Below is the Ko Samui weather forecast for Friday 22nd October 2021. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 7 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
75
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from E

Ko Samui weather for Saturday 23rd October 2021

Below is the Ko Samui weather forecast for Saturday 23rd October 2021. Expect isolated thunderstorms in Ko Samui, Thailand with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a light breeze of 8 kph from the north-east.