World Resorts Thailand Ko Phangan Weather

Ko Phangan 7 Days Forecast

21.05
thu
Day
84°F
NE 17 mph
Precip.
100%
Night
84°F
NE 19 mph
Precip.
100%
22.05
fri
Day
84°F
NE 17 mph
Precip.
0%
Night
84°F
E 7 mph
Precip.
89%
23.05
sat
Day
84°F
NE 14 mph
Precip.
65%
Night
84°F
NE 16 mph
Precip.
0%
24.05
sun
Day
84°F
NE 15 mph
Precip.
100%
Night
82°F
NE 22 mph
Precip.
56%
25.05
mon
Day
84°F
NE 17 mph
Precip.
0%
Night
84°F
NE 21 mph
Precip.
0%
26.05
tue
Day
84°F
E 12 mph
Precip.
47%
Night
84°F
NE 18 mph
Precip.
45%
27.05
wed
Day
84°F
E 12 mph
Precip.
0%
Night
84°F
E 16 mph
Precip.
27%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.8°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.

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

Sunniest months:
April 17 days
May 14 days
March 14 days
Warmest months:
May 87.9 °F
June 87.2 °F
April 86.7 °F
Warmest sea temp:
May 87.4 °F
April 86.6 °F
June 86.4 °F
Coldest months:
January 82.8 °F
February 83.2 °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
+81°F
NE 19 mph
Feels like: +90°F
Precip.: 100%
Places in Thailand:
Name
°F
+90°F
+81°F
+81°F
+81°F
+84°F
+84°F
+81°F
+81°F
+84°F
+84°F
+81°F
+82°F
+90°F
24 Hours Forecast
Ko Phangan
Local time: 18:17
May 21, thursday
2100
82°F
NE
12 mph
May 22, friday
0000
84°F
NE
19 mph
0300
84°F
NE
19 mph
0600
84°F
NE
19 mph
0900
84°F
NE
20 mph
1200
84°F
NE
17 mph
1500
84°F
E
6 mph
1800
86°F
SE
9 mph
Units of measurement: °C / °F