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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
Monday
Dec 15
Patchy rain possible
3.3 mm
27° / 26°
Tuesday
Dec 16
Patchy rain possible
3.5 mm
27° / 27°
Wednesday
Dec 17
Patchy rain possible
8.3 mm
28° / 26°
Thursday
Dec 18
Patchy rain possible
1.8 mm
27° / 26°
Friday
Dec 19
Partly cloudy
1.8 mm
27° / 26°
Saturday
Dec 20
Partly cloudy
0 mm
27° / 27°
Sunday
Dec 21
Patchy rain possible
0 mm
27° / 26°
Monday
Dec 22
Clear
0 mm
27° / 26°
Tuesday
Dec 23
Clear
0 mm
27° / 26°
Wednesday
Dec 24
Patchy rain possible
0 mm
27° / 26°
Thursday
Dec 25
Light rain shower
2 mm
27° / 26°
Friday
Dec 26
Patchy rain possible
0.3 mm
27° / 27°
Saturday
Dec 27
Partly cloudy
2.5 mm
27° / 26°
Sunday
Dec 28
Patchy rain possible
8.8 mm
26° / 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
Monday, December 15 27 ° / 26 ° Patchy rain possible Patchy rain possible 21 Km/h
Tuesday, December 16 27 ° / 27 ° Patchy rain possible Patchy rain possible 17 Km/h
Wednesday, December 17 28 ° / 26 ° Patchy rain possible Patchy rain possible 5 Km/h
Thursday, December 18 27 ° / 26 ° Patchy rain possible Patchy rain possible 11 Km/h
Friday, December 19 27 ° / 26 ° Partly cloudy Partly cloudy 12 Km/h
Saturday, December 20 27 ° / 27 ° Partly cloudy Partly cloudy 10 Km/h
Sunday, December 21 27 ° / 26 ° Patchy rain possible Patchy rain possible 10 Km/h
Monday, December 22 27 ° / 26 ° Clear Clear 15 Km/h
Tuesday, December 23 27 ° / 26 ° Clear Clear 8 Km/h
Wednesday, December 24 27 ° / 26 ° Patchy rain possible Patchy rain possible 8 Km/h
Thursday, December 25 27 ° / 26 ° Light rain shower Light rain shower 9 Km/h
Friday, December 26 27 ° / 27 ° Patchy rain possible Patchy rain possible 7 Km/h
Saturday, December 27 27 ° / 26 ° Partly cloudy Partly cloudy 11 Km/h
Sunday, December 28 26 ° / 26 ° Patchy rain possible Patchy rain possible 15 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 26° C. The hottest day in the next 2 weeks will be on December 17 and the coldest on December 28.
Will it rain at Koh Samui in the next 14 days?
Yes, there will be around 9 days with rain and an overall rainfall of 12.8 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