Weather Forecast for Koh Samui
Surat Thani, Thailand
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Current Weather - Koh Samui: 32°C
Current Weather - Koh Samui: 32°C
Surat Thani, Thailand
Partly Cloudy
Feels like 41°C
Wind
27 km/h W
Humidity
67%
Pressure
1009 mb
UV Index
0
Visibility
10 km
Partly Cloudy
Friday, July 10, 2026
High
30°C
Low
28°C
Rain Chance
44%
Hourly Forecast
29°C
29°C
30°C
30°C
30°C
32°C
30°C
30°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
32 km/h
Humidity
75%
Precipitation
1 mm
UV Index
12
Visibility
10 km
Rain Chance
44%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
06:44 PM
Moonrise
01:23 AM
Moonset
02:19 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
9.5
μg/m³
PM10
17.4
μg/m³
NO₂
1
μg/m³
O₃
48.2
μg/m³
SO₂
0.5
μg/m³
CO
108.8
μg/m³
Partly Cloudy
Saturday, July 11, 2026
High
30°C
Low
28°C
Rain Chance
57%
Hourly Forecast
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
30°C
30°C
30°C
30°C
30°C
30°C
30°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
39 km/h
Humidity
74%
Precipitation
1 mm
UV Index
11
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
06:44 PM
Moonrise
02:14 AM
Moonset
03:19 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
6.7
μg/m³
PM10
12.6
μg/m³
NO₂
1
μg/m³
O₃
50.9
μg/m³
SO₂
0.5
μg/m³
CO
109.3
μg/m³
Partly Cloudy
Sunday, July 12, 2026
High
30°C
Low
28°C
Rain Chance
72%
Hourly Forecast
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
30°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
42 km/h
Humidity
75%
Precipitation
6 mm
UV Index
12
Visibility
10 km
Rain Chance
72%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
06:44 PM
Moonrise
03:11 AM
Moonset
04:24 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
1.8
μg/m³
PM10
2.8
μg/m³
NO₂
0.9
μg/m³
O₃
47.9
μg/m³
SO₂
0.4
μg/m³
CO
102
μg/m³
Patchy rain nearby
Monday, July 13, 2026
High
29°C
Low
27°C
Rain Chance
75%
Hourly Forecast
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
27°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
40 km/h
Humidity
75%
Precipitation
6 mm
UV Index
6
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
06:44 PM
Moonrise
04:15 AM
Moonset
05:30 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
1.3
μg/m³
PM10
1.9
μg/m³
NO₂
1.4
μg/m³
O₃
47.5
μg/m³
SO₂
0.4
μg/m³
CO
110.4
μg/m³
Partly Cloudy
Tuesday, July 14, 2026
High
29°C
Low
28°C
Rain Chance
57%
Hourly Forecast
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
40 km/h
Humidity
70%
Precipitation
2 mm
UV Index
11
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
06:44 PM
Moonrise
05:22 AM
Moonset
06:33 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
1.5
μg/m³
PM10
2
μg/m³
NO₂
1.8
μg/m³
O₃
52.9
μg/m³
SO₂
0.6
μg/m³
CO
111.9
μg/m³
Sunny
Wednesday, July 15, 2026
High
30°C
Low
28°C
Rain Chance
57%
Hourly Forecast
29°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
30°C
30°C
30°C
30°C
30°C
30°C
29°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
30 km/h
Humidity
72%
Precipitation
2 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
06:44 PM
Moonrise
06:30 AM
Moonset
07:32 PM
Moon Phase
New Moon
Moon Illumination
3%
Cloudy
Thursday, July 16, 2026
High
30°C
Low
28°C
Rain Chance
60%
Hourly Forecast
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
30°C
30°C
30°C
30°C
30°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
32 km/h
Humidity
75%
Precipitation
2 mm
UV Index
7
Visibility
10 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
06:44 PM
Moonrise
07:34 AM
Moonset
08:26 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Solar Radiation Data
Shortwave Radiation
544.84
Diffuse Radiation
203.06
DNI
0
GTI
0
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