10-Day Weather Forecast for Koh Samui
Six-hourly outlook through Wednesday 9 September. Updated every three hours via MET Norway.
What's the weather in Koh Samui this week?
Today's weather - Monday 31 Aug
Tonight, the weather in Koh Samui will be partly cloudy, with temperatures around 29°C (84°F), dropping to 28°C (82°F) by morning.
Tomorrow's weather - Tuesday 1 Sep
For Tuesday the forecast for Koh Samui is partly cloudy with some rain during the evening. Temperatures will range from a warm 28°C (82°F) to a very warm 32°C (90°F).
10-Day Weather Forecast
During the next 10 days, temperatures will vary between 29°C (84°F) and 32°C (90°F), with average highs of 31°C (88°F) and lows of 27°C (81°F). Compared to normal August conditions, this is typical. Precipitation will be about normal, with some rainy days. Precipitation is likely on approximately 7 days (Tue, Wed, Thu, Fri, Sat, Sun, Mon).
Weather Forecast FAQ for Koh Samui
When will be the warmest day next week?
The warmest day is expected to be Tuesday with a high of 32°C (90°F).
When will be the coldest day?
The coldest day is forecasted for Thursday with a low of 27°C (81°F).
Will it rain next week in Koh Samui?
Yes, rain is expected on 7 days , specifically on Tue, Wed, Thu, Fri, Sat, Sun, Mon.
How much rainfall is expected next week?
A total of 40 mm (1.6 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 27°C (81°F) to 32°C (90°F).
More about Koh Samui
Explore the full Koh Samui climate overview with monthly averages, or check rainfall data and temperature by month.
Koh Samui weather by month
Browse monthly averages for Koh Samui: climate by month with temperature, rainfall and sunshine.
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