Weather forecast for 10 days
Ko Samui, Thailand

Weather forecast for the weekend

Saturday, 10. May

PM Thunderstorms
05:59

18:33
+07
PM Thunderstorms
28°C / 24°C
  • Wind: 18km/h W
  • Humidity: 75%
  • Precip. probability: 44%
  • Precipitation: 2mm
  • UV index: 11
On Saturday, 10th of May, unstable skies may bring rain, thunder, and brief gusts later today.
Minimal precipitation is forecasted. Temperature shifts will be minor, ranging from a high of a warm 28°C to a low of a temperate 24°C.
On Saturday, the maximum temperature is predicted to be a few degrees lower than the common May peak of 32.5°C.
Sunrise will be at 05:59 and sunset at 18:33; the daylight will last for 12h and 34min.

Sunday, 11. May

PM Thunderstorms
05:59

18:33
+07
PM Thunderstorms
28°C / 24°C
  • Wind: 18km/h W
  • Humidity: 78%
  • Precip. probability: 63%
  • Precipitation: 4mm
  • UV index: 9
On Sunday, 11th of May, storms with thunder and lightning are expected during the afternoon.
With a high probability, light precipitation is forecasted. Temperature measurements will peak at a temperate 28°C, with a slight decrease to a low of a warm 24°C.
The daily maximum temperature is predicted to be relatively lower than May's climate average of 32.5°C.
Sunrise will be at 05:59 and sunset at 18:33; the daylight will last for 12h and 34min.

Frequently asked questions

What is the weather forecast for Ko Samui for Saturday?
On Saturday, thunderstorms may form in the afternoon with sudden rainfall.
Will it rain on Saturday in Ko Samui?
On Saturday, there is a low probability of minimal rainfall in Ko Samui.
What will be the maximum temperature in Ko Samui on Saturday?
On Saturday, the maximum temperature will be 28°C, while the minimum temperature will be 24°C.
What is the weather forecast for Ko Samui for Sunday?
On Sunday, rumbles of thunder are possible along with moderate rain in the afternoon.
Will it rain on Sunday?
Light precipitation of 4mm is predicted on Sunday. The possibility of rainfall is 63%.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 28°C, while the lowest temperature will be 24°C.
What is the weather forecast for Ko Samui for the next ten days?
In Ko Samui, predominantly lightning-active and occasionally damp weather is anticipated for the next ten days.
Will it rain in the next ten days?
In Ko Samui, rain is anticipated almost every day for the next ten days. Tuesday, with moderate precipitation of 13mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 27°C and 28°C, while the minimum temperature will be a persistent 24°C.
Taking the humidity into consideration, the maximum feel-like temperature will range between 30°C and 32°C.
What will be the warmest and the coldest days?
For the next ten days, almost every day, the maximum temperature will be the same 28°C. With a maximum temperature of 27°C, Monday and Tuesday will be the coldest days.

Long-term weather forecast

Wed07.May
  • 28°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 19km/h WSW
  • Humidity: 76%
  • UV index: 11
  • Precip. probability: 38%
  • Precipitation: 0mm
  • 06:00 18:32 +07
Thu08.May
  • 28°C
  • 24°C
PM Showers
PM Showers
  • Wind: 18km/h W
  • Humidity: 76%
  • UV index: 11
  • Precip. probability: 45%
  • Precipitation: 4mm
  • 05:59 18:32 +07
Fri09.May
  • 28°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 17km/h W
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 40%
  • Precipitation: 2mm
  • 05:59 18:33 +07
Sat10.May
  • 28°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 18km/h W
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 44%
  • Precipitation: 2mm
  • 05:59 18:33 +07
Sun11.May
  • 28°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 18km/h W
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 63%
  • Precipitation: 4mm
  • 05:59 18:33 +07
Mon12.May
  • 27°C
  • 24°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h WSW
  • Humidity: 79%
  • UV index: 9
  • Precip. probability: 78%
  • Precipitation: 6mm
  • 05:58 18:33 +07
Tue13.May
  • 27°C
  • 24°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h WSW
  • Humidity: 79%
  • UV index: 9
  • Precip. probability: 69%
  • Precipitation: 13mm
  • 05:58 18:33 +07
Wed14.May
  • 28°C
  • 24°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h SSW
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 9mm
  • 05:58 18:34 +07
Thu15.May
  • 28°C
  • 24°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h S
  • Humidity: 79%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 7mm
  • 05:58 18:34 +07
Fri16.May
  • 28°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14km/h SSW
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 6mm
  • 05:58 18:34 +07
Conditions over the next ten days suggest that primarily lightning-active and occasionally damp weather is anticipated.
Rain is predicted for Thursday through next Friday.
The high temperatures are expected to remain largely stable in the forecast period ahead. The maximum temperature will vary between 27°C and 28°C, while the minimum will be stable, remaining at 24°C.
For the next ten days, the maximum temperature will be nearly the same 28°C almost every day; Monday and Tuesday, with the highest temperature of 27°C, will be the coldest days in Ko Samui.
Including the humidity's impact, the maximum feel-like temperature may increase and vary between a blazing 30°C and a tropical 32°C.
Updated: May 6, 2025 @ 18:15:55 UTC
Published by: Weather Atlas | About Us
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