Koh Samui monthly weather forecast

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

17 July 2026, Friday
+23°C / +31°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+26°C
2.3
85%
964
01:00
+26°C
4.8
84%
963
02:00
+25°C
5
81%
962
03:00
+25°C
4.1
82%
962
04:00
+25°C
4.4
82%
962
05:00
+25°C
3.2
83%
962
06:00
+25°C
4.2
84%
962
07:00
+26°C
7.1
82%
963
08:00
+27°C
7.5
75%
964
09:00
+27°C
9.3
69%
964
10:00
+29°C
10.3
60%
964
11:00
+30°C
11.8
52%
965
12:00
+31°C
13.1
48%
964
13:00
+31°C
13.7
45%
963
14:00
+31°C
13.4
44%
962
15:00
+31°C
13.6
47%
961
16:00
+30°C
13
52%
961
17:00
+26°C
13.6
70%
961
18:00
+23°C
5.6
96%
961
19:00
+24°C
3.4
94%
961
20:00
+24°C
5.6
97%
962
21:00
+24°C
5.2
96%
963
22:00
+24°C
4.3
96%
963
23:00
+24°C
3
96%
963
18 July 2026, Saturday
+24°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
3.9
96%
963
01:00
+24°C
6.7
95%
963
02:00
+24°C
7.8
94%
962
03:00
+24°C
8.8
94%
961
04:00
+24°C
10
94%
961
05:00
+24°C
10.3
94%
961
06:00
+24°C
11
93%
962
07:00
+24°C
12.4
92%
962
08:00
+25°C
11.1
85%
963
09:00
+26°C
9.6
78%
963
10:00
+27°C
10.2
69%
964
11:00
+29°C
12.3
63%
964
12:00
+29°C
12.9
62%
963
13:00
+30°C
11.2
57%
963
14:00
+30°C
10.8
55%
962
15:00
+29°C
13.6
57%
961
16:00
+27°C
15.2
73%
960
17:00
+27°C
10.3
73%
960
18:00
+27°C
10.1
72%
960
19:00
+26°C
10.6
74%
961
20:00
+25°C
19.8
79%
962
21:00
+25°C
13.8
83%
962
22:00
+25°C
13.4
79%
963
23:00
+25°C
14.1
79%
963
19 July 2026, Sunday
+24°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
14.3
80%
963
01:00
+25°C
13
81%
962
02:00
+25°C
12.9
82%
962
03:00
+24°C
13.2
82%
961
04:00
+24°C
13.4
83%
961
05:00
+24°C
13.8
83%
961
06:00
+24°C
14.3
83%
961
07:00
+25°C
14.2
82%
962
08:00
+26°C
15.7
77%
963
09:00
+27°C
16.3
71%
963
10:00
+28°C
15.4
68%
963
11:00
+28°C
17.5
64%
963
12:00
+29°C
17.9
62%
963
13:00
+30°C
17
58%
962
14:00
+30°C
16
53%
961
15:00
+30°C
14.7
52%
961
16:00
+30°C
13.3
52%
960
17:00
+30°C
11.9
52%
960
18:00
+29°C
11.5
52%
960
19:00
+28°C
7.7
58%
961
20:00
+28°C
9.2
62%
962
21:00
+28°C
13.3
63%
963
22:00
+27°C
13.2
65%
964
23:00
+26°C
13.4
70%
964
20 July 2026, Monday
+25°C / +31°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+26°C
15.2
77%
964
01:00
+25°C
16.8
80%
963
02:00
+25°C
15.1
83%
962
03:00
+25°C
16.3
83%
962
04:00
+25°C
15.9
82%
962
05:00
+25°C
15.4
82%
962
06:00
+25°C
14.1
84%
962
07:00
+25°C
13.9
83%
962
08:00
+26°C
13.2
76%
963
09:00
+27°C
12.6
68%
963
10:00
+29°C
14.6
62%
963
11:00
+30°C
16.1
57%
963
12:00
+30°C
18
55%
963
13:00
+31°C
16
51%
962
14:00
+30°C
15.1
51%
962
15:00
+30°C
13.8
54%
961
16:00
+29°C
12.7
58%
961
17:00
+28°C
11.7
65%
960
18:00
+26°C
11
74%
961
19:00
+25°C
10.9
82%
961
20:00
+25°C
10.8
84%
962
21:00
+25°C
10.6
83%
963
22:00
+25°C
10.7
83%
964
23:00
+25°C
11.6
84%
964
21 July 2026, Tuesday
+22°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+25°C
13.2
85%
963
01:00
+24°C
14.1
87%
963
02:00
+24°C
13.3
89%
963
03:00
+24°C
11.3
91%
962
04:00
+24°C
10.2
93%
962
05:00
+24°C
10.8
94%
962
06:00
+24°C
12.3
94%
962
07:00
+24°C
13.6
92%
962
08:00
+25°C
13.4
84%
963
09:00
+27°C
12.8
74%
963
10:00
+28°C
12.3
67%
964
11:00
+29°C
13
62%
964
12:00
+30°C
14.3
59%
963
13:00
+30°C
14.8
56%
962
14:00
+30°C
13.4
54%
962
15:00
+30°C
11.1
52%
961
16:00
+30°C
8.9
53%
961
17:00
+29°C
6.7
59%
961
18:00
+28°C
5.8
68%
961
19:00
+26°C
6.1
78%
961
20:00
+25°C
4.9
85%
962
21:00
+24°C
2.4
92%
963
22:00
+23°C
0.8
97%
964
23:00
+22°C
1.4
99%
964
22 July 2026, Wednesday
+22°C / +29°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
2.4
99%
963
01:00
+22°C
2.8
98%
963
02:00
+23°C
3.1
97%
962
03:00
+23°C
6.2
96%
962
04:00
+24°C
9.3
95%
961
05:00
+24°C
10.9
96%
961
06:00
+24°C
12
97%
962
07:00
+24°C
12.8
95%
962
08:00
+25°C
12.9
89%
963
09:00
+26°C
12.8
82%
963
10:00
+27°C
12.6
75%
963
11:00
+28°C
12.7
70%
963
12:00
+28°C
13.1
65%
963
13:00
+29°C
13.9
62%
962
14:00
+29°C
15.3
61%
961
15:00
+29°C
16.7
60%
961
16:00
+28°C
16.1
62%
960
17:00
+26°C
5.2
76%
960
18:00
+25°C
3.3
82%
960
19:00
+24°C
2.7
86%
960
20:00
+24°C
2.9
89%
960
21:00
+23°C
3.5
91%
960
22:00
+23°C
4.6
93%
960
23:00
+23°C
5.6
95%
961
23 July 2026, Thursday
+22°C / +27°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
6.7
96%
961
01:00
+22°C
7.2
97%
961
02:00
+22°C
7.2
98%
961
03:00
+22°C
7.1
99%
961
04:00
+22°C
6.7
99%
961
05:00
+22°C
6.2
99%
961
06:00
+23°C
6
98%
961
07:00
+23°C
6
97%
961
08:00
+23°C
6.5
94%
961
09:00
+24°C
7.5
89%
961
10:00
+25°C
8.8
85%
961
11:00
+26°C
10
81%
961
12:00
+26°C
11
77%
961
13:00
+27°C
11.4
75%
961
14:00
+27°C
11.1
74%
961
15:00
+27°C
10.5
73%
960
16:00
+27°C
9.5
73%
960
17:00
+26°C
8.6
74%
959
18:00
+26°C
7.7
75%
959
19:00
+26°C
7
76%
959
20:00
+26°C
6.1
78%
959
21:00
+25°C
5.1
82%
960
22:00
+25°C
3.8
86%
960
23:00
+24°C
2.9
90%
961
24 July 2026, Friday
+23°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
2.2
94%
961
01:00
+24°C
2.1
96%
961
02:00
+23°C
2.5
98%
961
03:00
+23°C
3.2
99%
961
04:00
+24°C
4.1
99%
961
05:00
+24°C
5.1
99%
961
06:00
+24°C
6
97%
961
07:00
+24°C
6.7
96%
961
08:00
+24°C
7.1
93%
961
09:00
+25°C
7.6
90%
961
10:00
+25°C
7.8
86%
961
11:00
+26°C
8
82%
961
12:00
+26°C
8
79%
961
13:00
+26°C
7.8
77%
961
14:00
+26°C
7.4
77%
961
15:00
+26°C
6.7
77%
961
16:00
+26°C
5.9
78%
960
17:00
+26°C
5.2
79%
960
18:00
+25°C
4.6
81%
960
19:00
+25°C
3.8
82%
960
20:00
+25°C
3.3
83%
960
21:00
+25°C
2.5
85%
961
22:00
+25°C
1.8
87%
961
23:00
+24°C
1.5
89%
962
25 July 2026, Saturday
+24°C / +28°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
1.4
91%
962
01:00
+24°C
1.4
92%
962
02:00
+24°C
1.6
94%
962
03:00
+24°C
2.3
95%
962
04:00
+24°C
3.3
96%
962
05:00
+24°C
4.4
97%
962
06:00
+24°C
5.4
97%
962
07:00
+24°C
6
95%
962
08:00
+25°C
6.5
92%
962
09:00
+25°C
6.6
87%
962
10:00
+26°C
6.7
82%
962
11:00
+27°C
6.8
77%
962
12:00
+27°C
6.6
74%
963
13:00
+28°C
6.6
72%
963
14:00
+28°C
6.4
72%
962
15:00
+27°C
6
73%
962
16:00
+27°C
5.7
75%
962
17:00
+26°C
5.4
78%
961
18:00
+25°C
5.3
80%
961
19:00
+25°C
5.6
83%
961
20:00
+25°C
6.4
85%
961
21:00
+24°C
7.5
87%
961
22:00
+24°C
8.8
89%
962
23:00
+24°C
10.1
91%
962
26 July 2026, Sunday
+23°C / +27°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+24°C
11.2
93%
962
01:00
+24°C
12
94%
963
02:00
+24°C
12.4
95%
962
03:00
+24°C
12.5
95%
962
04:00
+24°C
12.4
96%
962
05:00
+24°C
12.2
95%
961
06:00
+24°C
12.4
94%
961
07:00
+24°C
12.5
92%
961
08:00
+25°C
13
89%
961
09:00
+25°C
13.7
83%
961
10:00
+26°C
14.6
78%
961
11:00
+27°C
15.2
74%
961
12:00
+27°C
15.7
70%
961
13:00
+27°C
15.6
69%
961
14:00
+27°C
15
69%
961
15:00
+27°C
13.8
71%
961
16:00
+26°C
12.7
73%
960
17:00
+26°C
11.9
77%
960
18:00
+25°C
11.2
80%
960
19:00
+25°C
11.1
83%
960
20:00
+24°C
11
86%
960
21:00
+24°C
11
88%
960
22:00
+24°C
11
91%
960
23:00
+23°C
10.8
93%
960
27 July 2026, Monday
+22°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
10.6
95%
960
01:00
+23°C
10.7
97%
960
02:00
+23°C
10.8
98%
960
03:00
+23°C
11
98%
960
04:00
+22°C
11.4
99%
960
05:00
+22°C
11.8
99%
960
06:00
+22°C
12.2
98%
959
07:00
+23°C
12.9
96%
959
08:00
+23°C
13.5
93%
959
09:00
+24°C
14.6
88%
959
10:00
+25°C
15.7
83%
959
11:00
+25°C
16.7
79%
959
12:00
+26°C
17.3
75%
959
13:00
+26°C
17.7
74%
959
14:00
+26°C
17.5
75%
959
15:00
+26°C
16.8
78%
959
16:00
+25°C
15.9
82%
959
17:00
+24°C
14.8
87%
959
18:00
+24°C
13.9
92%
959
19:00
+23°C
13
95%
958
20:00
+23°C
12.2
96%
959
21:00
+23°C
11.2
97%
959
22:00
+23°C
10.7
98%
959
23:00
+23°C
10.1
97%
959
28 July 2026, Tuesday
+22°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
10.1
97%
960
01:00
+22°C
10.3
97%
960
02:00
+22°C
10.8
97%
960
03:00
+22°C
11.7
98%
960
04:00
+22°C
12.7
98%
960
05:00
+22°C
13.9
98%
960
06:00
+22°C
15.2
97%
960
07:00
+22°C
16.1
96%
960
08:00
+23°C
17
93%
960
09:00
+23°C
18
89%
960
10:00
+24°C
18.9
85%
960
11:00
+25°C
19.7
82%
960
12:00
+25°C
20.3
79%
960
13:00
+26°C
20.3
78%
960
14:00
+26°C
20
79%
960
15:00
+25°C
18.8
81%
960
16:00
+25°C
17.7
85%
960
17:00
+24°C
16.4
89%
960
18:00
+23°C
15.1
92%
959
19:00
+23°C
14.2
95%
959
20:00
+23°C
13.6
96%
959
21:00
+23°C
13.3
96%
960
22:00
+23°C
13
97%
960
23:00
+23°C
13
97%
960
29 July 2026, Wednesday
+23°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
13.2
96%
960
01:00
+23°C
13.2
96%
960
02:00
+23°C
13.2
96%
960
03:00
+23°C
13.3
96%
960
04:00
+23°C
13.2
96%
960
05:00
+23°C
13.3
96%
960
06:00
+23°C
13.7
96%
960
07:00
+23°C
14
95%
960
08:00
+23°C
14.5
95%
960
09:00
+23°C
15.4
94%
960
10:00
+23°C
16.4
93%
960
11:00
+23°C
17.5
92%
960
12:00
+24°C
18.4
91%
960
13:00
+24°C
19.1
90%
960
14:00
+24°C
19.5
89%
960
15:00
+24°C
19.8
87%
960
16:00
+24°C
20
85%
960
17:00
+24°C
20
83%
959
18:00
+24°C
20
82%
959
19:00
+24°C
19.9
82%
959
20:00
+24°C
19.4
83%
959
21:00
+24°C
18.5
85%
959
22:00
+23°C
17.5
88%
960
23:00
+23°C
16.6
90%
960
30 July 2026, Thursday
+22°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
15.7
93%
960
01:00
+23°C
15.4
95%
960
02:00
+22°C
15.4
96%
960
03:00
+22°C
15.5
96%
960
04:00
+22°C
16.1
96%
960
05:00
+22°C
16.6
96%
960
06:00
+22°C
17
96%
960
07:00
+22°C
17.1
96%
960
08:00
+23°C
17
95%
960
09:00
+23°C
16.8
95%
960
10:00
+23°C
16.5
94%
960
11:00
+24°C
15.9
94%
960
12:00
+24°C
15.6
93%
960
13:00
+24°C
15.4
93%
959
14:00
+24°C
15.2
93%
959
15:00
+24°C
15.2
94%
959
16:00
+24°C
15.2
94%
959
17:00
+23°C
15.2
95%
959
18:00
+23°C
15.2
96%
959
19:00
+23°C
15.2
96%
958
20:00
+23°C
15.1
96%
959
21:00
+23°C
15.2
96%
959
22:00
+23°C
15.2
96%
959
23:00
+23°C
15.2
96%
959


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