Koh Samui (Thailand) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius; -
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius;
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius;
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius;
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 23 degrees Celsius;
Sunny.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
7 day forecast for Koh Samui
Today (3 April 2026)
| Time |
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
26°
|
28°
|
29°
|
30°
|
31°
|
31°
|
31°
|
30°
|
29°
|
27°
|
25°
|
24°
|
24°
|
23°
|
21°
|
| Feels like temperature (°C) |
27°
|
30°
|
32°
|
33°
|
34°
|
33°
|
33°
|
32°
|
30°
|
27°
|
25°
|
23°
|
22°
|
21°
|
20°
|
| Wind direction and speed |
SE
5
|
SE
5
|
ESE
6
|
ESE
7
|
ESE
8
|
ESE
9
|
ESE
10
|
ESE
11
|
ESE
12
|
ESE
13
|
SE
13
|
SE
13
|
SE
12
|
SE
12
|
SSE
10
|
| Wind gust (mph) |
9
|
9
|
10
|
11
|
12
|
13
|
15
|
16
|
17
|
17
|
17
|
17
|
17
|
15
|
15
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
73%
|
73%
|
73%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
75%
|
75%
|
| UV | 6 | 9 | 12 | 12 | 11 | 9 | 6 | 3 | 1 | - | - | - | - | - | - |
Sunday (4 April 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
20°
|
22°
|
24°
|
26°
|
28°
|
30°
|
31°
|
31°
|
31°
|
31°
|
31°
|
30°
|
28°
|
26°
|
25°
|
25°
|
24°
|
23°
|
| Feels like temperature (°C) |
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
22°
|
25°
|
28°
|
31°
|
33°
|
34°
|
34°
|
35°
|
35°
|
34°
|
32°
|
29°
|
27°
|
25°
|
24°
|
24°
|
23°
|
| Wind direction and speed (mph) |
S
10
|
S
10
|
S
8
|
SSW
8
|
SSW
8
|
SSW
7
|
SW
6
|
SW
6
|
WSW
6
|
W
6
|
WNW
6
|
NW
7
|
NNW
7
|
N
7
|
NNE
5
|
NE
6
|
ENE
7
|
E
9
|
E
10
|
ESE
12
|
ESE
12
|
SE
12
|
SSE
10
|
SSE
10
|
| Wind gust (mph) |
14
|
13
|
12
|
11
|
11
|
10
|
9
|
9
|
9
|
9
|
10
|
10
|
10
|
10
|
9
|
10
|
12
|
14
|
15
|
16
|
16
|
15
|
14
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
74%
|
74%
|
75%
|
75%
|
74%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
74%
|
74%
|
74%
|
75%
|
75%
|
75%
|
75%
|
75%
|
76%
|
78%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 6 | 9 | 12 | 12 | 11 | 9 | 6 | 3 | 1 | - | - | - | - | - | - |
Monday (5 April 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
22°
|
22°
|
22°
|
21°
|
21°
|
21°
|
23°
|
25°
|
27°
|
29°
|
30°
|
31°
|
31°
|
31°
|
31°
|
30°
|
30°
|
28°
|
27°
|
26°
|
25°
|
24°
|
23°
|
| Feels like temperature (°C) |
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
20°
|
24°
|
26°
|
29°
|
31°
|
33°
|
34°
|
35°
|
35°
|
34°
|
34°
|
32°
|
29°
|
27°
|
25°
|
25°
|
24°
|
23°
|
| Wind direction and speed (mph) |
S
10
|
S
10
|
SSW
10
|
SSW
10
|
SW
9
|
SW
8
|
SW
8
|
SW
7
|
WSW
6
|
WSW
6
|
W
5
|
WNW
6
|
NW
6
|
NNW
6
|
N
5
|
NE
6
|
ENE
6
|
E
8
|
ESE
10
|
ESE
11
|
SE
12
|
SE
12
|
SSE
12
|
S
11
|
| Wind gust (mph) |
14
|
14
|
13
|
13
|
11
|
11
|
10
|
10
|
9
|
9
|
8
|
8
|
9
|
9
|
9
|
10
|
11
|
14
|
14
|
15
|
16
|
16
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
79%
|
78%
|
76%
|
75%
|
75%
|
75%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
75%
|
76%
|
77%
|
77%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 6 | 9 | 12 | 12 | 11 | 9 | 6 | 3 | 1 | - | - | - | - | - | - |
Tuesday (6 April 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
23°
|
22°
|
22°
|
22°
|
21°
|
21°
|
21°
|
23°
|
25°
|
27°
|
29°
|
30°
|
31°
|
31°
|
31°
|
31°
|
31°
|
30°
|
28°
|
26°
|
25°
|
25°
|
24°
|
23°
|
| Feels like temperature (°C) |
22°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
24°
|
26°
|
29°
|
31°
|
33°
|
34°
|
34°
|
34°
|
34°
|
34°
|
32°
|
30°
|
27°
|
25°
|
24°
|
23°
|
23°
|
| Wind direction and speed (mph) |
S
11
|
SSW
10
|
SSW
9
|
SW
9
|
SW
9
|
SW
8
|
WSW
7
|
W
7
|
W
7
|
WNW
7
|
NW
7
|
NW
8
|
NNW
8
|
N
8
|
N
7
|
NNE
6
|
NE
6
|
ENE
8
|
E
9
|
ESE
10
|
ESE
11
|
SE
11
|
SE
11
|
SSE
10
|
| Wind gust (mph) |
14
|
13
|
13
|
13
|
12
|
11
|
10
|
10
|
10
|
10
|
11
|
12
|
12
|
11
|
10
|
10
|
11
|
12
|
14
|
14
|
15
|
15
|
14
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
77%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
74%
|
74%
|
75%
|
75%
|
74%
|
74%
|
73%
|
74%
|
75%
|
75%
|
75%
|
76%
|
77%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 6 | 9 | 12 | 12 | 11 | 9 | 6 | 3 | 1 | - | - | - | - | - | - |
Wednesday (7 April 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
23°
|
25°
|
27°
|
29°
|
30°
|
31°
|
32°
|
32°
|
32°
|
31°
|
30°
|
28°
|
26°
|
25°
|
24°
|
23°
|
22°
|
| Feels like temperature (°C) |
22°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
23°
|
26°
|
29°
|
31°
|
33°
|
35°
|
36°
|
36°
|
36°
|
35°
|
33°
|
30°
|
27°
|
25°
|
24°
|
23°
|
21°
|
| Wind direction and speed (mph) |
S
9
|
S
9
|
SSW
9
|
SSW
9
|
SW
8
|
SW
8
|
SW
8
|
SW
7
|
WSW
7
|
SW
6
|
WSW
6
|
WSW
6
|
NW
5
|
NNE
5
|
NE
5
|
ENE
5
|
E
6
|
E
8
|
ESE
9
|
ESE
10
|
ESE
11
|
SE
12
|
SE
12
|
SSE
11
|
| Wind gust (mph) |
13
|
13
|
13
|
12
|
12
|
11
|
10
|
10
|
10
|
9
|
9
|
8
|
9
|
9
|
9
|
9
|
11
|
12
|
14
|
15
|
16
|
16
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
77%
|
77%
|
76%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
74%
|
74%
|
73%
|
73%
|
74%
|
74%
|
75%
|
75%
|
75%
|
76%
|
76%
|
76%
|
76%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 6 | 10 | 12 | 12 | 11 | 9 | 6 | 3 | 1 | - | - | - | - | - | - |
Thursday (8 April 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
21°
|
23°
|
29°
|
32°
|
31°
|
26°
|
24°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
20°
|
23°
|
31°
|
35°
|
34°
|
27°
|
24°
|
| Wind direction and speed (mph) |
S
11
|
S
11
|
SSW
10
|
SSW
9
|
SW
9
|
SW
9
|
SW
9
|
WSW
8
|
W
6
|
N
6
|
E
7
|
ESE
11
|
SSE
10
|
| Wind gust (mph) |
15
|
14
|
14
|
13
|
13
|
12
|
12
|
12
|
10
|
11
|
15
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
73%
|
73%
|
73%
|
74%
|
75%
|
| UV | - | - | - | - | - | - | - | 1 | 10 | 11 | 3 | - | - |
Friday (9 April 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
22°
|
23°
|
29°
|
32°
|
31°
|
27°
|
25°
|
| Feels like temperature (°C) |
22°
|
21°
|
24°
|
31°
|
35°
|
34°
|
28°
|
25°
|
| Wind direction and speed (mph) |
SSW
9
|
SW
8
|
SW
7
|
W
6
|
NNW
6
|
E
7
|
SE
9
|
S
9
|
| Wind gust (mph) |
13
|
13
|
12
|
12
|
12
|
14
|
15
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
74%
|
73%
|
73%
|
74%
|
74%
|
76%
|
| UV | - | - | 1 | 9 | 11 | 3 | - | - |
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Forecast for 10am (UTC+7) Saturday
Updated 01:24 (UTC+1) on Sat 4 Apr 2026
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