18.08
tue
tue
Day
82°F
E 19 mph
Precip.
21%
21%
Night
84°F
E 20 mph
Precip.
18%
18%
19.08
wed
wed
Day
84°F
E 17 mph
Precip.
16%
16%
Night
82°F
E 21 mph
Precip.
22%
22%
20.08
thu
thu
Day
84°F
E 19 mph
Precip.
16%
16%
Night
82°F
E 21 mph
Precip.
20%
20%
21.08
fri
fri
Day
84°F
E 14 mph
Precip.
18%
18%
Night
82°F
E 22 mph
Precip.
20%
20%
22.08
sat
sat
Day
84°F
E 13 mph
Precip.
19%
19%
Night
82°F
E 19 mph
Precip.
21%
21%
23.08
sun
sun
Day
84°F
E 12 mph
Precip.
20%
20%
Night
84°F
E 21 mph
Precip.
19%
19%
24.08
mon
mon
Day
84°F
E 12 mph
Precip.
31%
31%
Night
82°F
E 17 mph
Precip.
18%
18%
sea water
temperature
temperature
| Ko Phangan |
monthly
weather
weather
| Ko Phangan |
current
weather
weather
| Ko Phangan |
14 days
forecast
forecast
| Ko Phangan |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 86.4°F and 85.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.5°F.
Air temperature in Ko Phangan, °F
Precipitation total in Ko Phangan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ko Phangan
Ko Phangan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Phangan
Local time: 04:43
August 18, tuesday
0600
82°F
E
17 mph
17 mph
0900
82°F
E
19 mph
19 mph
1200
82°F
E
19 mph
19 mph
1500
84°F
E
22 mph
22 mph
1800
82°F
E
20 mph
20 mph
2100
84°F
E
17 mph
17 mph
August 19, wednesday
0000
84°F
E
20 mph
20 mph
0300
84°F
E
21 mph
21 mph
