World Resorts Thailand Ko Phangan Weather

Ko Phangan sea water temperature

Current sea water temperature:
+81.1°F
Minimum sea water temperature in January: 85.1°F
Maximum sea water temperature in January: 79.2°F
Average sea water temperature in January: 82.3°F

Sea water temperature for the last 10 days:

January 11 81.1°F January 6 81.7°F
January 10 81.3°F January 5 82.0°F
January 9 81.5°F January 4 82.6°F
January 8 82.2°F January 3 82.8°F
January 7 81.9°F January 2 82.6°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:
2025
2024
2023

The average sea water temperature in May of 2025 was 87.2°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.4°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.5°F and 84.7°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.

Best time for vacation in Ko Phangan

Sunniest months:
April 17 days
May 14 days
March 14 days
Warmest months:
May 87.9 °F
June 87.2 °F
April 86.8 °F
Warmest sea temp:
May 87.5 °F
April 86.5 °F
June 86.4 °F
Coldest months:
January 83.0 °F
February 83.3 °F
December 83.5 °F
Rainiest months:
November 14 days
October 13 days
September 10 days
Windiest months:
July 13.1 mph
September 12.7 mph
August 12.2 mph

Ko Phangan on a weather map

Ko Phangan
+77°F
W 11 mph
Feels like: +81°F
Precip.: 0%
Places in Thailand:
Name
°F
+75°F
+77°F
+75°F
+75°F
+77°F
+75°F
+75°F
+75°F
+77°F
+75°F
+75°F
+77°F
+77°F
+73°F
24 Hours Forecast
Ko Phangan
Local time: 09:13
January 12, monday
1200
79°F
W
11 mph
1500
79°F
W
9 mph
1800
77°F
W
9 mph
2100
79°F
W
9 mph
January 13, tuesday
0000
77°F
W
8 mph
0300
77°F
W
6 mph
0600
77°F
W
6 mph
0900
77°F
W
6 mph
Units of measurement: °C / °F