The long-range forecast for Koh Samui reveals lower temperatures than usual for this time of the year, with temperatures around 27.1 °C.
In the coming days, the forecasted temperatures are expected to be on average -3.8 °C lower than the average of the last few years.
Select a month and click on a day for more information:
Sunday
Feb 1
30° / 24°
Monday
Feb 2
31° / 24°
Tuesday
Feb 3
31° / 25°
Wednesday
Feb 4
30° / 25°
Thursday
Feb 5
30° / 25°
Friday
Feb 6
27° / 26°
Saturday
Feb 7
27° / 26°
Sunday
Feb 8
27° / 26°
Monday
Feb 9
27° / 26°
Tuesday
Feb 10
27° / 26°
Wednesday
Feb 11
27° / 26°
Thursday
Feb 12
27° / 26°
Friday
Feb 13
27° / 27°
Saturday
Feb 14
27° / 26°
Sunday
Feb 15
27° / 26°
Monday
Feb 16
27° / 26°
Tuesday
Feb 17
27° / 26°
Wednesday
Feb 18
28° / 27°
Thursday
Feb 19
27° / 27°
Friday
Feb 20
30° / 25°
Saturday
Feb 21
30° / 25°
Sunday
Feb 22
30° / 24°
Monday
Feb 23
31° / 25°
Tuesday
Feb 24
32° / 24°
Wednesday
Feb 25
32° / 24°
Thursday
Feb 26
32° / 25°
Friday
Feb 27
33° / 25°
Saturday
Feb 28
32° / 26°
Sunday
Feb 29
32° / 26°
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.