16.07
thu
thu
Day
84°F
E 11 mph
Precip.
6%
6%
Night
84°F
NE 2 mph
Precip.
6%
6%
17.07
fri
fri
Day
82°F
E 8 mph
Precip.
7%
7%
Night
84°F
E 15 mph
Precip.
7%
7%
18.07
sat
sat
Day
82°F
E 11 mph
Precip.
7%
7%
Night
84°F
E 14 mph
Precip.
7%
7%
19.07
sun
sun
Day
82°F
E 17 mph
Precip.
6%
6%
Night
84°F
E 16 mph
Precip.
6%
6%
20.07
mon
mon
Day
82°F
E 16 mph
Precip.
7%
7%
Night
82°F
E 17 mph
Precip.
7%
7%
21.07
tue
tue
Day
82°F
E 12 mph
Precip.
6%
6%
Night
82°F
E 17 mph
Precip.
36%
36%
22.07
wed
wed
Day
82°F
E 15 mph
Precip.
10%
10%
Night
84°F
E 14 mph
Precip.
17%
17%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 86.4°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: 12:32
July 16, thursday
1500
84°F
S
3 mph
3 mph
1800
84°F
NW
5 mph
5 mph
2100
84°F
N
1 mph
1 mph
July 17, friday
0000
84°F
NE
2 mph
2 mph
0300
84°F
E
6 mph
6 mph
0600
82°F
E
10 mph
10 mph
0900
82°F
E
11 mph
11 mph
1200
82°F
E
8 mph
8 mph
