In December warmest sea in Cambodia is usually observed in the following locations: Koh Kong, Koh Rong, Sihanoukville.
Table below shows the average sea water temperature for marine resorts of Cambodia in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Koh Kong | 83.0°F | 83.8°F | 85.0°F |
| Koh Rong | 82.8°F | 84.1°F | 84.8°F |
| Sihanoukville | 82.8°F | 83.6°F | 84.8°F |
| Koh Dek Koule | 82.8°F | 83.6°F | 84.8°F |
Charts below show average sea water temperature for Cambodia resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Cambodia resorts at that time.
Places in Cambodia:
Name
°F
