Koh Samui
Current Sea Temperature
| 29.1°C |
| Maximum water temperature in September: | 31.1°C |
| Minimum water temperature in September: | 27.7°C |
| Average water temperature in September: | 29.4°C |
Sea Temperature for the past 10 days
| September 14 | 29.1°C | September 09 | 29.6°C | |
| September 13 | 29.4°C | September 08 | 29.6°C | |
| September 12 | 29.5°C | September 07 | 29.5°C | |
| September 11 | 29.6°C | September 06 | 29.7°C | |
| September 10 | 29.7°C | September 05 | 29.6°C |
Koh Samui Sea Temperature Forecast
Unfortunately there is no way to provide accurate forecast for a sea temperature in Koh Samui. But you can use a historical data for the past two years presented below to make you own forecast.
Koh Samui sea temperature monthly averages, °C
These average sea temperatures for Koh Samui are calculated based on three years of archived data.
Nearest Resorts
| Bo Phut Beach | 6 km |
| Mae Nam Beach | 7 km |
| Lamai Beach | 9 km |
| Taling Ngam Beach | 9 km |
| Chaweng Beach | 9 km |
| Choeng Mon Beach | 12 km |
| Koh Phangan | 27 km |
| Koh Tao | 66 km |
| Krabi | 197 km |
| Khao Lak | 216 km |
Measurements
The measurements for the sea surface temperature presented on this page are based on daily satellite readings. This information is most relevant to recreational users.





















