The Cambodia resorts with the warmest sea water temperature in October are Koh Rong, Sihanoukville and Koh Dek Koule.
Below you can see a list of all popular Cambodia resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Koh Rong | 88.8°F | 89.9°F | 89.4°F |
| Sihanoukville | 88.7°F | 89.8°F | 89.3°F |
| Koh Dek Koule | 88.7°F | 89.8°F | 89.4°F |
| Koh Kong | 88.2°F | 89.4°F | 88.9°F |
Please see following sea water temperature averages charts for the warmest Cambodia resorts in October.
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 |  |
+90 |
| Koh Dek Koule | |
+86 |
| Koh Kong |  |
+90 |
| Koh Rong | |
+86 |
| Phnom Penh |  |
+92 |
| Siem Reap | |
+88 |
| Sihanoukville | |
+86 |
