The Vietnam resorts with the warmest sea water temperature in October are Con Dao, Phu Quoc and Vung Tau.
Below you can see a list of all popular Vietnam resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Con Dao | 88.7°F | 88.7°F | 89.4°F |
| Phu Quoc | 88.4°F | 89.8°F | 89.5°F |
| Vung Tau | 88.2°F | 89.0°F | 88.9°F |
| Doc Let Beach | 88.0°F | 88.1°F | 89.6°F |
| Ke Ga | 87.9°F | 88.7°F | 88.7°F |
| Ho Chi Minh | 87.5°F | 88.4°F | 88.5°F |
| Cam Ranh | 87.5°F | 88.0°F | 89.2°F |
| Hue | 87.4°F | 87.4°F | 87.6°F |
| Phan Thiet | 87.3°F | 88.6°F | 88.8°F |
| Mui Ne | 87.3°F | 88.7°F | 89.1°F |
| Nha Trang | 87.2°F | 87.4°F | 88.7°F |
| Vinpearl | 87.0°F | 87.3°F | 88.5°F |
| Da Nang | 87.0°F | 87.0°F | 87.7°F |
| Phan Rang | 86.9°F | 87.8°F | 88.6°F |
| Thanh Hoa | 86.9°F | 86.9°F | 87.5°F |
| Hoi An | 86.7°F | 86.8°F | 87.8°F |
| Cat Ba Island | 86.6°F | 86.7°F | 87.3°F |
| Ha Long | 86.4°F | 86.5°F | 86.9°F |
| Tuan Chau | 86.1°F | 85.9°F | 86.5°F |
| Hai Phong | 84.5°F | 84.5°F | 84.8°F |
Please see following sea water temperature averages charts for the warmest Vietnam 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.
Vietnam Resorts:
NAME
F°
| Cam Ranh |  |
+80 |
| Cat Ba Island | |
+72 |
| Da Lat |  |
+76 |
| Da Nang |  |
+78 |
| Doc Let Beach | |
+80 |
| Ha Long |  |
+70 |
| Ha Noi | |
+68 |
| Ho Chi Minh | |
+90 |
| Mui Ne |  |
+86 |
| Nha Trang | |
+82 |
| Phan Rang | |
+80 |
| Phan Thiet | |
+86 |
| Phu Quoc | |
+88 |
| Vinpearl | |
+82 |
| Vung Tau | |
+88 |
