The Cambodia resorts with the warmest sea water temperature at this moment are Sihanoukville, Koh Dek Koule and Koh Kong.
Below you can see a list of all popular Cambodia resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
October 2025 | November 2025 |
|---|---|---|---|
| Sihanoukville | 91.0°F | 88.7°F | 88.2°F |
| Koh Dek Koule | 90.8°F | 88.7°F | 88.2°F |
| Koh Kong | 90.8°F | 88.2°F | 88.0°F |
| Koh Rong | 90.4°F | 88.8°F | 88.2°F |
Please see following sea water temperature averages charts for the warmest Cambodia resorts for more details.
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.
Cambodia Resorts:
NAME
F°
| Battambang |  |
+80 |
| Koh Dek Koule |  |
+84 |
| Koh Kong | |
+74 |
| Koh Rong | |
+84 |
| Phnom Penh | |
+82 |
| Siem Reap |  |
+80 |
| Sihanoukville | |
+84 |
