Weather Forecast for Koh Samui
Surat Thani, Thailand
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Current Weather - Koh Samui: 30°C
Current Weather - Koh Samui: 30°C
Surat Thani, Thailand
Light rain shower
Feels like 34°C
Wind
23 km/h WSW
Humidity
71%
Pressure
1011 mb
UV Index
0
Visibility
10 km
Moderate rain
Saturday, May 30, 2026
High
30°C
Low
29°C
Rain Chance
88%
Hourly Forecast
29°C
29°C
29°C
29°C
30°C
30°C
Day Statistics
Maximum Wind
27 km/h
Humidity
74%
Precipitation
18 mm
UV Index
12
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:36 PM
Moonrise
06:00 PM
Moonset
04:57 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
2.7
μg/m³
PM10
3.5
μg/m³
NO₂
2.2
μg/m³
O₃
59
μg/m³
SO₂
1.3
μg/m³
CO
114
μg/m³
Moderate rain
Sunday, May 31, 2026
High
30°C
Low
28°C
Rain Chance
86%
Hourly Forecast
29°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
29°C
28°C
29°C
29°C
29°C
30°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
30 km/h
Humidity
74%
Precipitation
7 mm
UV Index
12
Visibility
10 km
Rain Chance
86%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:36 PM
Moonrise
06:55 PM
Moonset
05:46 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
2.8
μg/m³
PM10
3.8
μg/m³
NO₂
2.1
μg/m³
O₃
62
μg/m³
SO₂
1.3
μg/m³
CO
111.4
μg/m³
Moderate rain
Monday, June 01, 2026
High
29°C
Low
28°C
Rain Chance
78%
Hourly Forecast
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
29°C
29°C
29°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
31 km/h
Humidity
77%
Precipitation
7 mm
UV Index
5
Visibility
10 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:37 PM
Moonrise
07:48 PM
Moonset
06:38 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
2
μg/m³
PM10
2.8
μg/m³
NO₂
1.4
μg/m³
O₃
55.8
μg/m³
SO₂
0.5
μg/m³
CO
124.5
μg/m³
Moderate rain
Tuesday, June 02, 2026
High
29°C
Low
28°C
Rain Chance
89%
Hourly Forecast
28°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
29°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
29°C
29°C
Day Statistics
Maximum Wind
41 km/h
Humidity
77%
Precipitation
6 mm
UV Index
11
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:37 PM
Moonrise
08:40 PM
Moonset
07:31 AM
Moon Phase
Waning Gibbous
Moon Illumination
90%
Air Quality
PM2.5
1.8
μg/m³
PM10
2.7
μg/m³
NO₂
1.5
μg/m³
O₃
58.3
μg/m³
SO₂
0.5
μg/m³
CO
120
μg/m³
Patchy rain nearby
Wednesday, June 03, 2026
High
30°C
Low
28°C
Rain Chance
88%
Hourly Forecast
29°C
29°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
30°C
29°C
30°C
29°C
29°C
29°C
29°C
28°C
29°C
28°C
Day Statistics
Maximum Wind
41 km/h
Humidity
75%
Precipitation
4 mm
UV Index
10
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:37 PM
Moonrise
09:28 PM
Moonset
08:24 AM
Moon Phase
Waning Gibbous
Moon Illumination
83%
Air Quality
PM2.5
1.8
μg/m³
PM10
2.5
μg/m³
NO₂
1.5
μg/m³
O₃
61.8
μg/m³
SO₂
0.5
μg/m³
CO
121.5
μg/m³
Moderate rain
Thursday, June 04, 2026
High
29°C
Low
27°C
Rain Chance
82%
Hourly Forecast
29°C
29°C
29°C
28°C
28°C
27°C
28°C
28°C
28°C
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
29°C
29°C
Day Statistics
Maximum Wind
39 km/h
Humidity
77%
Precipitation
7 mm
UV Index
6
Visibility
10 km
Rain Chance
82%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:37 PM
Moonrise
10:12 PM
Moonset
09:15 AM
Moon Phase
Waning Gibbous
Moon Illumination
74%
Patchy rain nearby
Friday, June 05, 2026
High
31°C
Low
28°C
Rain Chance
89%
Hourly Forecast
29°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
30°C
30°C
31°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
45 km/h
Humidity
72%
Precipitation
1 mm
UV Index
6
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
06:38 PM
Moonrise
10:53 PM
Moonset
10:04 AM
Moon Phase
Last Quarter
Moon Illumination
64%
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