Weather forecast for 10 days
Ko Samui, Thailand

Weather forecast for the weekend

Sunday, 22. Jun

Cloudy
06:00

18:43
+07
Cloudy
26°C / 23°C
  • Wind: 20km/h WSW
  • Humidity: 75%
  • Precip. probability: 18%
  • Precipitation: 0mm
  • UV index: 8
Today, in Ko Samui, heavy clouds will be present throughout the day.
A slight fluctuation in temperature is forecasted, achieving a maximum of a moderately hot 26°C and dipping to a minimum of a warm 23°C.
The anticipated high temperature will be uncommonly lower than the average June peak of 32.2°C.
Sunrise was at 06:00 and sunset will be at 18:43; the daylight will last for 12h and 43min.

Frequently asked questions

What is the weather forecast for Ko Samui for the next ten days?
In Ko Samui, a combination of predominantly storm-filled and occasionally cloud-filled and damp weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted nearly every day for the next ten days in Ko Samui. With light precipitation of 5mm, Wednesday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 26°C and 27°C, while the minimum temperature will remain unchanged at 23°C.
What will be the warmest and the coldest days?
With a maximum temperature of 27°C, Wednesday through next Tuesday will be the warmest days. With a maximum temperature of 26°C, Sunday through Tuesday will be the coldest days.

Long-term weather forecast

Sun22.Jun
  • 26°C
  • 23°C
Cloudy
Cloudy
  • Wind: 20km/h WSW
  • Humidity: 75%
  • UV index: 8
  • Precip. probability: 18%
  • Precipitation: 0mm
  • 06:00 18:43 +07
Mon23.Jun
  • 26°C
  • 23°C
Thunderstorms
Thunderstorms
  • Wind: 23km/h WSW
  • Humidity: 78%
  • UV index: 6
  • Precip. probability: 70%
  • Precipitation: 3mm
  • 06:00 18:43 +07
Tue24.Jun
  • 26°C
  • 23°C
PM Showers
PM Showers
  • Wind: 22km/h WSW
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 58%
  • Precipitation: 3mm
  • 06:00 18:43 +07
Wed25.Jun
  • 27°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 17km/h WSW
  • Humidity: 76%
  • UV index: 8
  • Precip. probability: 64%
  • Precipitation: 5mm
  • 06:01 18:44 +07
Thu26.Jun
  • 27°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 15km/h WSW
  • Humidity: 76%
  • UV index: 8
  • Precip. probability: 60%
  • Precipitation: 4mm
  • 06:01 18:44 +07
Fri27.Jun
  • 27°C
  • 23°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 13km/h WSW
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 47%
  • Precipitation: 4mm
  • 06:01 18:44 +07
Sat28.Jun
  • 27°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 15km/h W
  • Humidity: 76%
  • UV index: 8
  • Precip. probability: 36%
  • Precipitation: 1mm
  • 06:01 18:44 +07
Sun29.Jun
  • 27°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 19km/h W
  • Humidity: 75%
  • UV index: 8
  • Precip. probability: 39%
  • Precipitation: 2mm
  • 06:02 18:44 +07
Mon30.Jun
  • 27°C
  • 23°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 18km/h W
  • Humidity: 74%
  • UV index: 8
  • Precip. probability: 40%
  • Precipitation: 2mm
  • 06:02 18:44 +07
Tue01.Jul
  • 27°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 17km/h W
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 59%
  • Precipitation: 4mm
  • 06:02 18:45 +07
For the next ten days, a combination of primarily storm-filled and occasionally cloudy and showery weather is anticipated.
Rainfall is predicted for Monday through next Tuesday.
Highs will stay within a very narrow margin during the next few days. Expected highs will hover between 26°C and 27°C, while the minimum will be stable, remaining at 23°C.
The warmest days in Ko Samui, Thailand, will be Wednesday through next Tuesday, with a maximum of 27°C; Sunday through Tuesday, with the highest temperature of 26°C, will be the coldest days in Ko Samui, Thailand.
Updated: Jun 22, 2025 @ 06:45:29 UTC
Published by: Weather Atlas | About Us
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