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Koh Samui weather in Thailand
14 day weather Forecast
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Koh Samui 14 day weather forecast

Click on a day for an hourly weather forecast
Thursday
Dec 18
Patchy rain possible
0.8 mm
27° / 27°
Friday
Dec 19
Partly cloudy
0.3 mm
27° / 26°
Saturday
Dec 20
Partly cloudy
0.8 mm
27° / 26°
Sunday
Dec 21
Clear
0 mm
28° / 27°
Monday
Dec 22
Patchy rain possible
2.5 mm
27° / 27°
Tuesday
Dec 23
Patchy rain possible
1.3 mm
27° / 27°
Wednesday
Dec 24
Clear
0 mm
27° / 27°
Thursday
Dec 25
Cloudy
0 mm
27° / 26°
Friday
Dec 26
Patchy rain possible
0.8 mm
27° / 26°
Saturday
Dec 27
Patchy rain possible
1 mm
27° / 26°
Sunday
Dec 28
Patchy rain possible
1 mm
27° / 26°
Monday
Dec 29
Patchy rain possible
1 mm
27° / 26°
Tuesday
Dec 30
Light rain shower
1 mm
27° / 26°
Wednesday
Dec 31
Patchy rain possible
1.5 mm
27° / 26°
Next
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Koh Samui weather for this week and the next 14 days

By knowing how cold, mild, warm, or hot the weather in Koh Samui, you will find it easier to plan your days.

Our 14 day weather forecast for Koh Samui becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Koh Samui 14 day forecast

Date Temperatures Weather Wind
Thursday, December 18 27 ° / 27 ° Patchy rain possible Patchy rain possible 1 Km/h
Friday, December 19 27 ° / 26 ° Partly cloudy Partly cloudy 10 Km/h
Saturday, December 20 27 ° / 26 ° Partly cloudy Partly cloudy 6 Km/h
Sunday, December 21 28 ° / 27 ° Clear Clear 12 Km/h
Monday, December 22 27 ° / 27 ° Patchy rain possible Patchy rain possible 15 Km/h
Tuesday, December 23 27 ° / 27 ° Patchy rain possible Patchy rain possible 6 Km/h
Wednesday, December 24 27 ° / 27 ° Clear Clear 6 Km/h
Thursday, December 25 27 ° / 26 ° Cloudy Cloudy 6 Km/h
Friday, December 26 27 ° / 26 ° Patchy rain possible Patchy rain possible 10 Km/h
Saturday, December 27 27 ° / 26 ° Patchy rain possible Patchy rain possible 19 Km/h
Sunday, December 28 27 ° / 26 ° Patchy rain possible Patchy rain possible 12 Km/h
Monday, December 29 27 ° / 26 ° Patchy rain possible Patchy rain possible 16 Km/h
Tuesday, December 30 27 ° / 26 ° Light rain shower Light rain shower 23 Km/h
Wednesday, December 31 27 ° / 26 ° Patchy rain possible Patchy rain possible 9 Km/h
Further Ahead
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Koh Samui 14 days – weather graph

The weather in Koh Samui for the next 14 days - FAQ

What will the temperature be in Koh Samui during the next 14 days?
The temperature will range between 28° C and 27° C. The hottest day in the next 2 weeks will be on December 21 and the coldest on December 18.
Will it rain at Koh Samui in the next 14 days?
Yes, there will be around 11 days with rain and an overall rainfall of 4.7 mm.
Can I see more details about the weather in Koh Samui on a specific day?
Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Koh Samui's pages.
Do you have a weather forecast for Koh Samui for more than 14 days?
You can check the Koh Samui long range weather page, it is not a forecast, but it can give you an idea of how the weather in Koh Samui will be like (based on past weather information).
More about the weather in Koh Samui
Long range weather for Koh Samui Koh Samui weather in December Koh Samui weather in January Koh Samui Webcam Weather tomorrow Hotels in Koh Samui