10-Day Weather Forecast for Koh Samui
Six-hourly outlook through Saturday 25 July. Updated every three hours via MET Norway.
What's the weather in Koh Samui this week?
Today's weather - Thursday 16 Jul
This evening, the weather in Koh Samui will be partly cloudy with some rain, with temperatures around 30°C (86°F), staying around 30°C (86°F) overnight.
Tomorrow's weather - Friday 17 Jul
For Friday the forecast for Koh Samui is light rain showers during the afternoon. Temperatures will range from a warm 28°C (82°F) to a very warm 33°C (91°F).
10-Day Weather Forecast
During the next 10 days, temperatures will vary between 30°C (86°F) and 33°C (91°F), with average highs of 32°C (90°F) and lows of 28°C (82°F). Compared to normal July conditions, this is typical. There will be a mix of sun and clouds during this period. Rainfall is expected to be more than usual (compared to typical July conditions). The forecast shows some rainy days. There will be rain on around 6 days (Sat, Sun, Mon, Tue, Wed, Thu).
Weather Forecast FAQ for Koh Samui
When will be the warmest day next week?
The warmest day is expected to be Friday with a high of 33°C (91°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 6 days , specifically on Sat, Sun, Mon, Tue, Wed, Thu.
How much rainfall is expected next week?
A total of 44 mm (1.7 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 33°C (91°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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