Koh Samui monthly weather forecast

Monthly weather forecast for Koh Samui. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

22 May 2026, Friday
+25°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
15.1
82%
962
01:00
+25°C
13.1
78%
961
02:00
+25°C
11.1
76%
961
03:00
+25°C
9.2
76%
960
04:00
+25°C
10
75%
961
05:00
+25°C
9.1
76%
960
06:00
+25°C
6.9
77%
961
07:00
+26°C
7.7
71%
962
08:00
+28°C
8.5
62%
963
09:00
+29°C
16.5
58%
964
10:00
+29°C
18.1
64%
964
11:00
+29°C
12.7
62%
963
12:00
+30°C
14.2
60%
963
13:00
+29°C
16.4
67%
962
14:00
+28°C
11.6
68%
961
15:00
+28°C
16.4
69%
960
16:00
+26°C
16.5
80%
960
17:00
+26°C
10.5
82%
960
18:00
+25°C
14.5
88%
961
19:00
+25°C
9.8
89%
961
20:00
+25°C
9.2
89%
962
21:00
+25°C
12.7
88%
963
22:00
+25°C
11.6
87%
963
23:00
+25°C
10.8
87%
964
23 May 2026, Saturday
+24°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
13.7
85%
964
01:00
+24°C
11.8
85%
963
02:00
+24°C
6.8
89%
962
03:00
+24°C
10.1
88%
962
04:00
+24°C
7.9
88%
962
05:00
+24°C
8.3
90%
962
06:00
+24°C
11.5
89%
962
07:00
+25°C
7.8
85%
962
08:00
+26°C
12.9
79%
964
09:00
+27°C
10.7
71%
964
10:00
+29°C
11
63%
964
11:00
+30°C
9.5
58%
964
12:00
+30°C
14.2
59%
964
13:00
+28°C
9.3
68%
963
14:00
+29°C
10
68%
962
15:00
+29°C
6.1
64%
961
16:00
+28°C
6.9
68%
960
17:00
+27°C
11.2
74%
961
18:00
+25°C
11.7
83%
960
19:00
+25°C
11.8
87%
961
20:00
+25°C
11.3
87%
962
21:00
+25°C
13.2
86%
963
22:00
+25°C
12.8
86%
963
23:00
+25°C
12.7
84%
963
24 May 2026, Sunday
+23°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
14.7
85%
963
01:00
+24°C
14.2
85%
962
02:00
+24°C
15.6
86%
962
03:00
+24°C
12.9
86%
961
04:00
+24°C
15.4
86%
961
05:00
+24°C
14.8
85%
961
06:00
+24°C
14.1
85%
962
07:00
+25°C
12.1
80%
963
08:00
+26°C
11.4
75%
964
09:00
+27°C
14.8
71%
964
10:00
+25°C
19.9
80%
965
11:00
+26°C
9.7
83%
964
12:00
+27°C
11.4
74%
964
13:00
+29°C
10.1
64%
963
14:00
+29°C
9.9
61%
962
15:00
+29°C
5.1
61%
961
16:00
+29°C
4.1
63%
960
17:00
+28°C
7.3
70%
960
18:00
+27°C
9.4
77%
960
19:00
+26°C
9.7
80%
960
20:00
+26°C
8.1
81%
961
21:00
+24°C
5.2
94%
963
22:00
+24°C
3.1
95%
963
23:00
+23°C
9.8
96%
964
25 May 2026, Monday
+23°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
8.9
97%
963
01:00
+23°C
11
97%
962
02:00
+23°C
9.9
96%
961
03:00
+23°C
9.4
96%
960
04:00
+23°C
12.6
95%
960
05:00
+23°C
19
94%
961
06:00
+23°C
22.1
92%
962
07:00
+23°C
13.6
95%
961
08:00
+24°C
16.7
92%
962
09:00
+25°C
14.1
87%
963
10:00
+27°C
19.4
76%
964
11:00
+27°C
23.3
72%
963
12:00
+28°C
15.4
71%
963
13:00
+29°C
16.2
68%
962
14:00
+28°C
16.1
72%
961
15:00
+26°C
16.5
80%
960
16:00
+25°C
16.9
87%
960
17:00
+24°C
17
88%
960
18:00
+24°C
17.2
86%
960
19:00
+25°C
17.1
85%
961
20:00
+24°C
16.3
88%
961
21:00
+24°C
15.3
90%
962
22:00
+24°C
14.7
92%
963
23:00
+24°C
15.4
92%
963
26 May 2026, Tuesday
+24°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
16.8
91%
962
01:00
+24°C
17.6
90%
962
02:00
+24°C
17
90%
961
03:00
+24°C
15.6
90%
961
04:00
+24°C
14.9
89%
961
05:00
+24°C
15.7
89%
961
06:00
+24°C
16.9
88%
961
07:00
+24°C
17.8
86%
962
08:00
+25°C
17.5
81%
962
09:00
+26°C
16.8
77%
963
10:00
+27°C
16.4
72%
963
11:00
+28°C
16.8
70%
963
12:00
+28°C
17.9
68%
962
13:00
+29°C
18.6
66%
961
14:00
+29°C
18.8
65%
960
15:00
+29°C
18.6
63%
960
16:00
+29°C
18.8
63%
959
17:00
+28°C
19.8
66%
959
18:00
+27°C
21.1
70%
960
19:00
+26°C
21.3
75%
960
20:00
+25°C
18.8
80%
961
21:00
+25°C
15.1
86%
962
22:00
+24°C
13
91%
963
23:00
+24°C
13.8
92%
963
27 May 2026, Wednesday
+24°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
16.1
91%
962
01:00
+24°C
17.5
91%
962
02:00
+24°C
16.8
90%
961
03:00
+24°C
15.3
90%
961
04:00
+24°C
14.4
90%
960
05:00
+24°C
14.8
89%
961
06:00
+24°C
15.7
89%
961
07:00
+24°C
16.7
87%
962
08:00
+25°C
17.4
83%
962
09:00
+26°C
18.2
79%
963
10:00
+27°C
18.6
75%
963
11:00
+28°C
18.4
71%
963
12:00
+28°C
18.1
66%
962
13:00
+29°C
17.3
65%
961
14:00
+28°C
15.9
70%
961
15:00
+26°C
14
81%
960
16:00
+24°C
12.5
89%
959
17:00
+26°C
12.4
79%
961
18:00
+25°C
11.1
84%
961
19:00
+25°C
10.4
87%
961
20:00
+24°C
10.2
88%
961
21:00
+24°C
10.4
88%
961
22:00
+24°C
11
88%
961
23:00
+25°C
11.8
86%
962
28 May 2026, Thursday
+23°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
12.5
85%
962
01:00
+25°C
12.9
85%
962
02:00
+24°C
13.2
87%
962
03:00
+24°C
13.5
89%
962
04:00
+24°C
13.7
92%
961
05:00
+23°C
13.9
95%
961
06:00
+23°C
14
96%
961
07:00
+23°C
14.3
95%
961
08:00
+24°C
14.7
91%
961
09:00
+25°C
15.1
84%
961
10:00
+26°C
15.6
76%
961
11:00
+28°C
15.9
70%
961
12:00
+29°C
16.2
65%
961
13:00
+29°C
16.2
64%
962
14:00
+29°C
15.7
65%
961
15:00
+28°C
14.8
70%
961
16:00
+27°C
13.8
77%
961
17:00
+25°C
12.7
84%
961
18:00
+24°C
12
92%
961
19:00
+24°C
11.4
97%
961
20:00
+23°C
11.1
99%
961
21:00
+23°C
10.8
98%
961
22:00
+23°C
10.7
98%
961
23:00
+23°C
10.8
96%
962
29 May 2026, Friday
+23°C / +28°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
10.9
94%
962
01:00
+23°C
11.1
93%
962
02:00
+23°C
11.3
93%
962
03:00
+23°C
11.7
93%
962
04:00
+23°C
12
94%
962
05:00
+23°C
12.6
94%
962
06:00
+24°C
13
93%
962
07:00
+24°C
13.8
91%
961
08:00
+24°C
14.8
88%
961
09:00
+25°C
16.4
82%
961
10:00
+26°C
17.8
77%
961
11:00
+27°C
19.3
72%
961
12:00
+28°C
20.3
69%
961
13:00
+28°C
20.6
68%
961
14:00
+28°C
19.6
69%
961
15:00
+27°C
17.8
72%
961
16:00
+27°C
15.4
77%
961
17:00
+26°C
13
82%
961
18:00
+25°C
11
87%
960
19:00
+25°C
9.8
91%
960
20:00
+24°C
9.7
93%
960
21:00
+24°C
10.3
94%
960
22:00
+24°C
11.6
95%
961
23:00
+24°C
13
95%
961
30 May 2026, Saturday
+22°C / +27°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
14
96%
961
01:00
+24°C
14.7
96%
961
02:00
+23°C
14.4
96%
961
03:00
+23°C
13.5
97%
961
04:00
+23°C
12.4
98%
961
05:00
+23°C
11.4
98%
961
06:00
+23°C
11
98%
961
07:00
+23°C
11
96%
961
08:00
+24°C
11.8
93%
961
09:00
+24°C
13.1
89%
961
10:00
+25°C
14.8
84%
961
11:00
+26°C
16.3
79%
960
12:00
+26°C
17.7
76%
960
13:00
+27°C
18.5
75%
960
14:00
+26°C
18.8
76%
960
15:00
+26°C
18.7
79%
960
16:00
+25°C
18.5
82%
960
17:00
+25°C
18
87%
960
18:00
+24°C
17.6
91%
959
19:00
+24°C
17.2
94%
959
20:00
+23°C
16.8
96%
959
21:00
+23°C
16
97%
960
22:00
+23°C
15.1
97%
960
23:00
+22°C
14.2
97%
960
31 May 2026, Sunday
+22°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
13.5
96%
961
01:00
+22°C
13
96%
961
02:00
+22°C
13
96%
961
03:00
+22°C
13
96%
960
04:00
+22°C
13.3
96%
960
05:00
+23°C
13.7
96%
960
06:00
+23°C
14.1
95%
960
07:00
+23°C
14.5
94%
960
08:00
+24°C
15
91%
960
09:00
+24°C
15.5
88%
960
10:00
+25°C
16.1
84%
960
11:00
+26°C
16.9
81%
960
12:00
+26°C
17.4
78%
960
13:00
+26°C
17.8
78%
960
14:00
+26°C
17.9
79%
960
15:00
+26°C
17.9
81%
960
16:00
+25°C
17.8
85%
960
17:00
+24°C
17.7
89%
960
18:00
+24°C
17.6
92%
960
19:00
+23°C
17.5
95%
960
20:00
+23°C
17.1
96%
960
21:00
+23°C
16.1
95%
960
22:00
+23°C
15.2
94%
960
23:00
+23°C
14.2
93%
961
01 June 2026, Monday
+23°C / +28°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
13.5
92%
961
01:00
+23°C
13.2
91%
961
02:00
+23°C
13.2
91%
961
03:00
+23°C
13.8
90%
961
04:00
+23°C
14.4
90%
961
05:00
+23°C
15.2
90%
961
06:00
+23°C
15.9
89%
961
07:00
+24°C
16.7
88%
961
08:00
+24°C
17.4
85%
961
09:00
+25°C
18.4
82%
961
10:00
+26°C
19.3
78%
961
11:00
+27°C
20.2
75%
961
12:00
+27°C
21
72%
961
13:00
+28°C
21.5
71%
961
14:00
+28°C
21.5
71%
961
15:00
+27°C
21.3
73%
961
16:00
+27°C
20.9
75%
960
17:00
+26°C
20.5
77%
960
18:00
+26°C
20.2
79%
960
19:00
+25°C
19.7
81%
960
20:00
+25°C
19.4
82%
960
21:00
+25°C
19.1
83%
960
22:00
+25°C
18.7
84%
961
23:00
+24°C
18.4
85%
961
02 June 2026, Tuesday
+24°C / +27°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
18.1
85%
961
01:00
+24°C
17.9
86%
961
02:00
+24°C
17.7
86%
961
03:00
+24°C
17.7
88%
961
04:00
+24°C
17.7
89%
961
05:00
+24°C
17.7
89%
961
06:00
+24°C
17.8
89%
961
07:00
+24°C
17.9
89%
961
08:00
+24°C
18.3
86%
961
09:00
+25°C
18.6
83%
960
10:00
+26°C
19.3
79%
960
11:00
+26°C
19.8
76%
960
12:00
+27°C
20
74%
960
13:00
+27°C
20
73%
960
14:00
+27°C
19.2
74%
960
15:00
+27°C
18
76%
959
16:00
+26°C
16.4
80%
959
17:00
+25°C
15
84%
959
18:00
+25°C
13.9
88%
959
19:00
+24°C
13.6
90%
959
20:00
+24°C
14.3
91%
959
21:00
+24°C
15.5
91%
959
22:00
+24°C
17.3
90%
960
23:00
+24°C
18.9
89%
960
03 June 2026, Wednesday
+24°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
20.6
89%
960
01:00
+24°C
21.5
88%
961
02:00
+24°C
21.7
88%
960
03:00
+24°C
21.5
88%
960
04:00
+24°C
21.1
88%
960
05:00
+24°C
20.6
88%
959
06:00
+24°C
20.1
88%
959
07:00
+24°C
19.9
88%
959
08:00
+24°C
19.8
86%
959
09:00
+24°C
20
85%
959
10:00
+25°C
20.1
83%
959
11:00
+25°C
20.2
82%
959
12:00
+26°C
20.3
81%
959
13:00
+26°C
20.3
80%
959
14:00
+26°C
20
79%
959
15:00
+26°C
19.5
80%
959
16:00
+26°C
19.1
80%
959
17:00
+26°C
18.7
80%
958
18:00
+26°C
18.3
81%
958
19:00
+26°C
18
81%
958
20:00
+26°C
18
82%
958
21:00
+25°C
18
82%
959
22:00
+25°C
18.1
82%
959
23:00
+25°C
18.3
82%
959
04 June 2026, Thursday
+24°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
18.4
83%
960
01:00
+24°C
18.5
83%
960
02:00
+24°C
18.6
84%
960
03:00
+24°C
18.8
85%
960
04:00
+24°C
19
86%
960
05:00
+24°C
19.2
87%
960
06:00
+24°C
19.5
88%
959
07:00
+24°C
19.7
87%
959
08:00
+25°C
19.7
84%
959
09:00
+26°C
20
80%
959
10:00
+27°C
20.1
75%
959
11:00
+28°C
20.2
71%
959
12:00
+29°C
20.2
68%
959
13:00
+29°C
20.1
67%
959
14:00
+29°C
19.6
68%
959
15:00
+28°C
19.1
70%
959
16:00
+27°C
18.5
74%
959
17:00
+26°C
17.8
78%
958
18:00
+26°C
17.2
82%
958
19:00
+25°C
16.6
84%
958
20:00
+25°C
16.2
86%
959
21:00
+25°C
15.6
87%
959
22:00
+25°C
15.2
87%
959
23:00
+25°C
14.8
87%
959


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