How warm is the sea in Thailand (Phuket)?
The sea in Thailand (Phuket) is currently 30°C.
Sea temperature is measured at the surface and updated hourly.
The sea in Thailand (Phuket) is 30°C today, the weather is partly cloudy, 28°C.
Thailand
Last updated: 11 July 2026, 20:55
Next 48 hours
The best time to visit is from November to March. The sea is warmest in May (31.3°C).
| Month | Max | Min | Rain (days) | Sea |
|---|---|---|---|---|
| January | 30° | 25° | 11 | 29° |
| February | 31° | 25° | 7 | 29° |
| March | 32° | 26° | 9 | 30° |
| April | 32° | 26° | 18 | 31° |
| May | 30° | 26° | 26 | 31° |
| June | 30° | 25° | 21 | 31° |
| July | 30° | 25° | 23 | 30° |
| August | 29° | 25° | 24 | 30° |
| September | 29° | 25° | 25 | 29° |
| October | 29° | 24° | 28 | 30° |
| November | 29° | 25° | 26 | 30° |
| December | 29° | 25° | 18 | 29° |
The sea in Thailand (Phuket) is currently 30°C.
Sea temperature is measured at the surface and updated hourly.
The best time to visit is from November to March. The sea is warmest in May (31.3°C).
Derived from the 2015–2024 climate averages.
Tomorrow in Thailand (Phuket) expect thunderstorms, with a high of 31°C and a low of 24°C and a 90% chance of rain.