World Resorts Thailand Phuket Weather

Phuket sea water temperature

Current sea water temperature:
+85.5°F
Minimum sea water temperature in March: 87.3°F
Maximum sea water temperature in March: 83.5°F
Average sea water temperature in March: 85.3°F

Sea water temperature for the last 10 days:

March 17 85.5°F March 12 84.9°F
March 16 84.9°F March 11 84.6°F
March 15 85.1°F March 10 84.6°F
March 14 85.1°F March 9 84.6°F
March 13 85.1°F March 8 84.4°F

When is the warmest sea in Phuket?

Based on the data about daily sea water temperature for the last three years the warmest sea in Phuket was noticed in May, April and June.

Monthly Sea Temperatures in Phuket, °F

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.8°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 86.9°F and 85.5°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.6°F.

Best time for vacation in Phuket

Sunniest months:
March 21 days
February 18 days
April 17 days
Warmest months:
March 89.5 °F
April 88.8 °F
May 88.1 °F
Warmest sea temp:
May 86.7 °F
April 86.4 °F
June 85.8 °F
Coldest months:
September 85.4 °F
December 85.8 °F
November 85.8 °F
Rainiest months:
July 15 days
September 14 days
October 14 days
Windiest months:
July 11.1 mph
September 10.8 mph
August 10.7 mph

Phuket on a weather map

Phuket
+79°F
W 12 mph
Feels like: +84°F
Precip.: 0%
Places in Thailand:
Name
°F
+82°F
+77°F
+79°F
+79°F
+82°F
+81°F
+81°F
+77°F
+81°F
+79°F
+81°F
+81°F
+79°F
+82°F
+77°F
24 Hours Forecast
Phuket
Local time: 00:03
March 18, wednesday
0300
79°F
W
12 mph
0600
77°F
W
11 mph
0900
81°F
W
13 mph
1200
86°F
NW
8 mph
1500
88°F
N
8 mph
1800
84°F
E
6 mph
2100
82°F
SE
4 mph
March 19, thursday
0000
81°F
W
5 mph
Units of measurement: °C / °F