The Cambodia resorts with the warmest sea water temperature in May are Koh Kong, Sihanoukville and Koh Rong.
Below you can see a list of all popular Cambodia resorts and information about sea water temperature in May for the last two years.
| Resort Name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Koh Kong | 92.3°F | 91.7°F | 93.1°F |
| Sihanoukville | 91.9°F | 92.0°F | 93.4°F |
| Koh Rong | 91.9°F | 92.1°F | 93.4°F |
| Koh Dek Koule | 91.9°F | 92.1°F | 93.4°F |
Please see following sea water temperature averages charts for the warmest Cambodia resorts in May.
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 |  |
+82 |
| Koh Dek Koule |  |
+86 |
| Koh Kong | |
+76 |
| Koh Rong | |
+86 |
| Phnom Penh | |
+82 |
| Siem Reap | |
+82 |
| Sihanoukville | |
+86 |
