05.08
wed
wed
Day
86°F
NE 15 mph
Precip.
10%
10%
Night
84°F
NE 24 mph
Precip.
11%
11%
06.08
thu
thu
Day
84°F
NE 20 mph
Precip.
25%
25%
Night
84°F
NE 23 mph
Precip.
7%
7%
07.08
fri
fri
Day
84°F
NE 18 mph
Precip.
48%
48%
Night
84°F
NE 23 mph
Precip.
12%
12%
08.08
sat
sat
Day
84°F
NE 22 mph
Precip.
37%
37%
Night
84°F
NE 22 mph
Precip.
8%
8%
09.08
sun
sun
Day
84°F
E 19 mph
Precip.
26%
26%
Night
84°F
NE 21 mph
Precip.
7%
7%
10.08
mon
mon
Day
84°F
E 22 mph
Precip.
20%
20%
Night
84°F
NE 24 mph
Precip.
12%
12%
11.08
tue
tue
Day
86°F
E 25 mph
Precip.
10%
10%
Night
84°F
E 25 mph
Precip.
11%
11%
12.08
wed
wed
Day
86°F
E 23 mph
Precip.
11%
11%
Night
84°F
E 24 mph
Precip.
13%
13%
13.08
thu
thu
Day
86°F
E 25 mph
Precip.
9%
9%
Night
84°F
E 23 mph
Precip.
17%
17%
14.08
fri
fri
Day
86°F
E 19 mph
Precip.
23%
23%
Night
84°F
NE 21 mph
Precip.
25%
25%
15.08
sat
sat
Day
84°F
E 25 mph
Precip.
12%
12%
Night
84°F
E 22 mph
Precip.
10%
10%
16.08
sun
sun
Day
86°F
E 25 mph
Precip.
20%
20%
Night
84°F
NE 25 mph
Precip.
13%
13%
17.08
mon
mon
Day
82°F
E 28 mph
Precip.
24%
24%
Night
82°F
E 25 mph
Precip.
36%
36%
18.08
tue
tue
Day
81°F
E 30 mph
Precip.
50%
50%
Night
81°F
NE 31 mph
Precip.
15%
15%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.4°F.
Air temperature in Samui, °F
Precipitation total in Samui, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 18:40
August 05, wednesday
2100
84°F
NE
23 mph
23 mph
August 06, thursday
0000
84°F
NE
24 mph
24 mph
0300
84°F
NE
27 mph
27 mph
0600
84°F
NE
23 mph
23 mph
0900
84°F
NE
21 mph
21 mph
1200
84°F
NE
20 mph
20 mph
1500
84°F
E
20 mph
20 mph
1800
84°F
NE
21 mph
21 mph
