Current sea water temperature:
+86.7°F
| Minimum sea water temperature in May: | 90.1°F |
| Maximum sea water temperature in May: | 83.8°F |
| Average sea water temperature in May: | 87.4°F |
| more information | |
14 days
forecast
forecast
| Ko Phangan |
monthly
weather
weather
| Ko Phangan |
Sea water temperature for the last 10 days:
| May 17 | 86.7°F | May 12 | 86.7°F |
| May 16 | 87.3°F | May 11 | 86.9°F |
| May 15 | 87.3°F | May 10 | 87.1°F |
| May 14 | 87.1°F | May 9 | 87.1°F |
| May 13 | 86.5°F | May 8 | 86.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Ko Phangan?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ko Phangan was noticed in May, April and June.
Monthly Sea Temperatures in Ko Phangan, °F
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.1°F. The highest and lowest sea temperatures during the month were 87.6°F and 86.5°F.
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.6°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
current
weather
weather
| Ko Phangan |
weather in
May
May
| Ko Phangan |
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: 23:45
May 18, monday
0000

81°F
E
23 mph
23 mph
0300

82°F
E
22 mph
22 mph
0600

82°F
E
19 mph
19 mph
0900

82°F
E
20 mph
20 mph
1200

82°F
E
20 mph
20 mph
1500

84°F
E
18 mph
18 mph
1800

86°F
E
19 mph
19 mph
2100

84°F
E
22 mph
22 mph


























