The Brunei resorts with the warmest sea water temperature in December are Bandar Seri Begawan, Seria and Kuala Belait.
Below you can see a list of all popular Brunei resorts and information about sea water temperature in December for the last two years.
| Resort Name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Bandar Seri Begawan | 88.9°F | 88.9°F | 89.9°F |
| Seria | 88.3°F | 89.0°F | 89.7°F |
| Kuala Belait | 88.1°F | 88.8°F | 89.5°F |
Please see following sea water temperature averages charts for the warmest Brunei resorts in December.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| Bandar Seri Begawan |
Sea Water
Temperature
Temperature
| Seria |
Sea Water
Temperature
Temperature
| Kuala Belait |
