This page presents a long range weather forecast for Koh Samui in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.
The Koh Samui extended forecast data provided is based on the average values of previous years.
Select a month and click on a day for more information:
Sunday
Dec 1
29° / 24°
Monday
Dec 2
29° / 24°
Tuesday
Dec 3
28° / 23°
Wednesday
Dec 4
28° / 22°
Thursday
Dec 5
27° / 21°
Friday
Dec 6
27° / 21°
Saturday
Dec 7
27° / 20°
Sunday
Dec 8
28° / 20°
Monday
Dec 9
28° / 21°
Tuesday
Dec 10
28° / 21°
Wednesday
Dec 11
29° / 22°
Thursday
Dec 12
29° / 22°
Friday
Dec 13
30° / 22°
Saturday
Dec 14
30° / 23°
Sunday
Dec 15
30° / 23°
Monday
Dec 16
30° / 24°
Tuesday
Dec 17
30° / 23°
Wednesday
Dec 18
30° / 24°
Thursday
Dec 19
30° / 24°
Friday
Dec 20
30° / 23°
Saturday
Dec 21
30° / 23°
Sunday
Dec 22
30° / 22°
Monday
Dec 23
30° / 22°
Tuesday
Dec 24
30° / 22°
Wednesday
Dec 25
30° / 23°
Thursday
Dec 26
31° / 24°
Friday
Dec 27
30° / 24°
Saturday
Dec 28
30° / 24°
Sunday
Dec 29
31° / 24°
Monday
Dec 30
30° / 24°
Tuesday
Dec 31
30° / 23°
Koh Samui 30 days weather forecast
Check out our estimated 30 days weather forecast for Koh Samui, this data is based on the average weather in Koh Samui in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Koh Samui next to the desired date.