10-Day Weather Forecast for Ko Samui

Six-hourly outlook through Tuesday 14 July. Updated every three hours via MET Norway.

Day
Night
03:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Monday
6 Jul
Partly cloudy
29°C (84°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Light rain showers
30°C (86°F)
0.6 mm (0.02 in)
Partly cloudy
29°C (84°F)
0.1 mm (0 in)
Hourly ›
Tuesday
7 Jul
Partly cloudy
29°C (84°F)
0 mm (0 in)
Partly cloudy
28°C (82°F)
0 mm (0 in)
Mostly sunny
31°C (88°F)
0 mm (0 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Wednesday
8 Jul
Partly cloudy
29°C (84°F)
0 mm (0 in)
Light rain showers
28°C (82°F)
0.8 mm (0.03 in)
Rain showers
31°C (88°F)
4.4 mm (0.2 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Thursday
9 Jul
Partly cloudy
29°C (84°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Rain showers
31°C (88°F)
2.2 mm (0.1 in)
Cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Friday
10 Jul
Partly cloudy
28°C (82°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Cloudy
31°C (88°F)
0.2 mm (0.01 in)
Partly cloudy
31°C (88°F)
0.1 mm (0 in)
Hourly ›
Saturday
11 Jul
Cloudy
29°C (84°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Cloudy
31°C (88°F)
0 mm (0 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Sunday
12 Jul
Cloudy
29°C (84°F)
0.1 mm (0 in)
Rain
27°C (81°F)
2.4 mm (0.1 in)
Rain
29°C (84°F)
4.4 mm (0.2 in)
Rain
28°C (82°F)
2.4 mm (0.1 in)
Hourly ›
Monday
13 Jul
Rain
27°C (81°F)
3 mm (0.1 in)
Heavy rain
26°C (79°F)
5.9 mm (0.2 in)
Rain
28°C (82°F)
2.5 mm (0.1 in)
Rain
28°C (82°F)
2.3 mm (0.1 in)
Hourly ›
Tuesday
14 Jul
Light rain
27°C (81°F)
0.6 mm (0.02 in)
Cloudy
27°C (81°F)
0.1 mm (0 in)
Rain
29°C (84°F)
4.3 mm (0.2 in)
Cloudy
27°C (81°F)
0 mm (0 in)
Hourly ›
Wednesday
15 Jul
Cloudy
28°C (82°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Ko Samui this week?

Today's weather - Monday 6 Jul

For Monday the predicted weather in Ko Samui is light rain showers during the afternoon. The maximum temperature is a very warm 30°C (86°F), while the minimum temperature is a warm 29°C (84°F).

Tomorrow's weather - Tuesday 7 Jul

On Tuesday, Ko Samui will be mostly sunny. Expect highs of a very warm 31°C (88°F) and lows of around 28°C (82°F).

10-Day Weather Forecast

The 10-day forecast shows that temperatures will vary between 28°C (82°F) and 31°C (88°F). During this period, expect daytime highs around 30°C (86°F) and nighttime lows around 28°C (82°F). Compared to July norms, this represents typical weather. The next 10 days will feature some sunshine. Precipitation levels will be a bit more than usual (versus normal July rainfall), with some rainy days. Precipitation is expected on roughly 4 days (Wed, Thu, Sun, Mon).

Weather Forecast FAQ for Ko Samui

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 31°C (88°F).

When will be the coldest day?

The coldest day is forecasted for Monday with a low of 26°C (79°F).

Will it rain next week in Ko Samui?

Yes, rain is expected on 4 days , specifically on Wed, Thu, Sun, Mon.

How much rainfall is expected next week?

A total of 31 mm (1.2 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 26°C (79°F) to 31°C (88°F).

More about Ko Samui

Explore the full Ko Samui climate overview with monthly averages, or check rainfall data and temperature by month.

Ko Samui weather by month

Browse monthly averages for Ko Samui: climate by month with temperature, rainfall and sunshine.

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