Ko Samui Weather Conditions

Current Temperature Level

sunny
29°C
29°C28°C
Pleasant

Sunny

Feels Like 33°C

Chances of Rain6%

Good

21AQI

Humidity

71%

Nowsunny29°6%4 PMsunny29°7%5 PMsunny29°7%6 PMpartly cloudy29°9%7 PMclear29°7%8 PMpatchy rain possible29°51%9 PMpatchy rain possible29°45%10 PMpatchy rain possible29°36%11 PMpatchy rain possible29°20%12 AMlight rain shower29°42%1 AMlight rain shower29°58%2 AMpatchy rain possible29°50%3 AMpartly cloudy29°9%4 AMclear29°9%5 AMclear28°9%6 AMclear28°9%7 AMsunny28°9%8 AMsunny28°9%9 AMpatchy rain possible28°44%10 AMsunny28°9%11 AMpatchy rain possible29°47%12 PMsunny29°7%1 PMpatchy rain possible29°18%2 PMpatchy rain possible29°23%
.

It is likely to be sunny; sun protection may help.

Last Updated: 2026-08-03 15:30 (Local Time)

Ko Samui Weather Parameters

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Ko Samui 10-Days Weather Forecast

See Monthly
Today3 Aug.


Patchy rain nearby

Patchy rain nearby

Occasional light rain is expected and humidity will be 74%, with winds at 18.4 km/h.


temperature icon

29°C  /  28°C

temperature iconHumi.74 %
temperature iconPrec.5.33 mm


Sunrise icon

Sunrise

06:10 AM

12hrs 32min

Sunset icon

Sunset

06:42 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

Patchy rain nearbyPatchy rain nearby

28 °C

76 %

0

13 kmph /  W

Feels Like IconFeels 32 °C

Temperature IconCover 77 %

Visibility IconVisibility 10 km

1 AM

Patchy rain nearbyPatchy rain nearby

29 °C

75 %

0

14.4 kmph /  WSW

Feels Like IconFeels 33 °C

Temperature IconCover 83 %

Visibility IconVisibility 9 km

2 AM

Patchy rain nearbyPatchy rain nearby

28 °C

78 %

0

18.4 kmph /  WSW

Feels Like IconFeels 33 °C

Temperature IconCover 70 %

Visibility IconVisibility 9 km

3 AM

Patchy rain nearbyPatchy rain nearby

28 °C

77 %

0

17.6 kmph /  WSW

Feels Like IconFeels 33 °C

Temperature IconCover 81 %

Visibility IconVisibility 9 km

4 AM

Patchy rain nearbyPatchy rain nearby

28 °C

78 %

0

18.4 kmph /  WSW

Feels Like IconFeels 32 °C

Temperature IconCover 81 %

Visibility IconVisibility 9 km

5 AM

Patchy rain nearbyPatchy rain nearby

28 °C

77 %

0

16.6 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 89 %

Visibility IconVisibility 9 km

6 AM

ClearClear

28 °C

75 %

0

14.4 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 19 %

Visibility IconVisibility 10 km

7 AM

Patchy rain nearbyPatchy rain nearby

28 °C

76 %

0.4

11.9 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 73 %

Visibility IconVisibility 9 km

8 AM

Patchy rain nearbyPatchy rain nearby

28 °C

75 %

1.7

10.4 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 78 %

Visibility IconVisibility 10 km

9 AM

Patchy rain nearbyPatchy rain nearby

28 °C

75 %

4.3

8.6 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 89 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

28 °C

74 %

7.4

7.9 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 19 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

28 °C

73 %

10.5

3.2 kmph /  WSW

Feels Like IconFeels 32 °C

Temperature IconCover 16 %

Visibility IconVisibility 10 km

12 PM

SunnySunny

29 °C

72 %

12.2

1.1 kmph /  SW

Feels Like IconFeels 32 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

29 °C

71 %

11.9

2.5 kmph /  ENE

Feels Like IconFeels 32 °C

Temperature IconCover 14 %

Visibility IconVisibility 10 km

2 PM

SunnySunny

29 °C

71 %

9.6

4.7 kmph /  NE

Feels Like IconFeels 32 °C

Temperature IconCover 13 %

Visibility IconVisibility 10 km

3 PM

SunnySunny

29 °C

71 %

6.4

6.8 kmph /  NE

Feels Like IconFeels 33 °C

Temperature IconCover 14 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

29 °C

71 %

3.2

8.3 kmph /  NE

Feels Like IconFeels 33 °C

Temperature IconCover 17 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

29 °C

71 %

1.1

10.1 kmph /  ENE

Feels Like IconFeels 33 °C

Temperature IconCover 24 %

Visibility IconVisibility 10 km

6 PM

Partly CloudyPartly Cloudy

29 °C

71 %

0.2

9.4 kmph /  E

Feels Like IconFeels 33 °C

Temperature IconCover 37 %

Visibility IconVisibility 10 km

7 PM

ClearClear

29 °C

71 %

0

7.2 kmph /  E

Feels Like IconFeels 34 °C

Temperature IconCover 22 %

Visibility IconVisibility 10 km

8 PM

Patchy rain nearbyPatchy rain nearby

29 °C

73 %

0

6.8 kmph /  ESE

Feels Like IconFeels 33 °C

Temperature IconCover 75 %

Visibility IconVisibility 9 km

9 PM

Patchy rain nearbyPatchy rain nearby

29 °C

73 %

0

5 kmph /  E

Feels Like IconFeels 33 °C

Temperature IconCover 86 %

Visibility IconVisibility 9 km

10 PM

Patchy rain nearbyPatchy rain nearby

29 °C

73 %

0

3.6 kmph /  ESE

Feels Like IconFeels 33 °C

Temperature IconCover 75 %

Visibility IconVisibility 9 km

11 PM

Patchy rain nearbyPatchy rain nearby

29 °C

72 %

0

2.5 kmph /  SSE

Feels Like IconFeels 33 °C

Temperature IconCover 75 %

Visibility IconVisibility 10 km

Temp29 °C


ConditionSunny


Humidity71 %

Feels33 °C


Cover14 %


Visibility10 km

Wind Speed & Dir.6.8 kmph /  NE


UV6.4

Ko Samui 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly Cloudy29°28°
2
Patchy rain nearby30°28°
3Today
Patchy rain nearby29°28°
4
Patchy rain nearby30°28°
5
Partly Cloudy29°28°
6
Partly Cloudy29°28°
7
Patchy rain nearby30°28°
8
Patchy rain nearby30°29°
9
Sunny31°29°
10
Sunny31°29°
11
Rain Showers30°28°
12
Rain Showers30°28°
13
Rain Showers30°28°
14
Rain Showers30°28°
15
Rain Showers29°27°
16
Rain Showers29°27°
17
Rain Showers29°27°
18
Rain Showers30°28°
19
Rain Showers30°27°
20
Rain Showers30°27°
21
Rain Showers30°27°
22
Rain Showers30°27°
23
Rain Showers30°27°
24
Rain Showers30°27°
25
Rain Showers30°27°
26
Rain Showers30°28°
27
Rain Showers29°27°
28
Rain Showers29°27°
29
Rain Showers29°27°
30
Rain Showers29°27°
31
Rain Showers30°27°

AugustWeather Overview

No. of days:

Sunny

Sunny

2

Cloudy

Cloudy

3

Rainy

Rainy

26

Snowy

Snowy

0


The monthly weather averages in Ko Samui consist of 2 sunny days, 3 cloudy days, 26 rainy days, and 0 snowy days.

Ko Samui's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
29 °C
sunnySunny
71%
6.4

6.8 kmph /  NE

Thailand's Hottest Cities - August 2026

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Last Updated: 03 Aug 2026, 09:07 AM

City Weather Rankings

FAQs About Ko Samui Weather Conditions


1. What is the current temperature in Ko Samui today - 03 August 2026?

The current temperature in Ko Samui is 29°C, with a feels-like temperature of 33°C. Today's forecast shows a high of 29°C and a low of 28°C, giving a 1 degree swing through the day as of 03:30 PM 03 August 2026.

2. What are the current weather parameters in Ko Samui today?

Here is a complete overview of Ko Samui's current weather conditions as of 03:30 PM 03 August 2026: Condition : Sunny Temperature : 29°C Pleasant (Feels like 33°C) Humidity : 71% Wind Speed : 6.8 km/h from NE (44 degrees), Gust 2.6 m/s UV Index : 6.4 (High Air Pressure : 1007 mb Cloud Cover : 14% Visibility : 10 km Precipitation : 0 mm (70% chance of rain)

3. What is the 10-day weather forecast for Ko Samui from 03:30 PM 03 August 2026?

From 03:30 PM 03 August 2026, Ko Samui's 10-day forecast shows this trend: Today (Aug. 3) : Temp. 29°C, Hum. 74% and Patchy rain nearby condition. Tuesday (Aug. 4) : Temp. 29°C, Hum. 73% and Patchy rain nearby condition. Wednesday (Aug. 5) : Temp. 29°C, Hum. 74% and Partly Cloudy condition. Thursday (Aug. 6) : Temp. 29°C, Hum. 76% and Partly Cloudy condition. Friday (Aug. 7) : Temp. 29°C, Hum. 76% and Patchy rain nearby condition. Saturday (Aug. 8) : Temp. 29°C, Hum. 74% and Patchy rain nearby condition. Sunday (Aug. 9) : Temp. 29°C, Hum. 70% and Sunny condition. Monday (Aug. 10) : Temp. 30°C, Hum. 70% and Sunny condition. Tuesday (Aug. 11) : Temp. 29°C, Hum. 74% and Rain Showers condition. Wednesday (Aug. 12) : Temp. 29°C, Hum. 74% and Rain Showers condition.

4. Will it rain in Ko Samui today?

As of 03:30 PM 03 August 2026, there is a 7% chance of rainfall in Ko Samui later today around 2026-08-03 16:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Ko Samui in August 2026?

August 2026 in Ko Samui is forecast to have 2 sunny days, 26 rainy days, 3 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 27°C to highs of 31°C.

6. How does the weather in Ko Samui affect air quality?

Weather directly impacts air quality in Ko Samui. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.