The Cambodia resorts with the warmest sea water temperature in June are Koh Kong, Sihanoukville and Koh Dek Koule.
Below you can see a list of all popular Cambodia resorts and information about sea water temperature in June for the last two years.
| Resort Name | June 2026 | June 2025 | June 2024 |
|---|---|---|---|
| Koh Kong | 91.0°F | 89.1°F | 90.4°F |
| Sihanoukville | 90.6°F | 89.5°F | 90.7°F |
| Koh Dek Koule | 90.6°F | 89.5°F | 90.7°F |
| Koh Rong | 90.5°F | 89.4°F | 90.6°F |
Please see following sea water temperature averages charts for the warmest Cambodia resorts in June.
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 | ![]() |
+104 |
| Koh Dek Koule | ![]() |
+88 |
| Koh Kong | ![]() |
+90 |
| Koh Rong | ![]() |
+88 |
| Phnom Penh | ![]() |
+100 |
| Siem Reap | ![]() |
+104 |
| Sihanoukville | ![]() |
+88 |



























