The Vietnam resorts with the warmest sea water temperature in October are Con Dao, Phu Quoc and Doc Let Beach.
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 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Con Dao | 90.2°F | 88.7°F | 88.7°F |
| Phu Quoc | 90.1°F | 88.4°F | 89.8°F |
| Doc Let Beach | 89.6°F | 88.0°F | 88.1°F |
| Cam Ranh | 89.3°F | 87.5°F | 88.0°F |
| Phan Thiet | 89.3°F | 87.3°F | 88.6°F |
| Mui Ne | 89.2°F | 87.3°F | 88.7°F |
| Ke Ga | 89.2°F | 87.9°F | 88.7°F |
| Vung Tau | 89.1°F | 88.2°F | 89.0°F |
| Nha Trang | 89.1°F | 87.2°F | 87.4°F |
| Vinpearl | 88.9°F | 87.0°F | 87.3°F |
| Hue | 88.9°F | 87.4°F | 87.4°F |
| Phan Rang | 88.8°F | 86.9°F | 87.8°F |
| Cat Ba Island | 88.5°F | 86.6°F | 86.7°F |
| Ho Chi Minh | 88.4°F | 87.5°F | 88.4°F |
| Thanh Hoa | 88.2°F | 86.9°F | 86.9°F |
| Da Nang | 88.0°F | 87.0°F | 87.0°F |
| Ha Long | 87.9°F | 86.4°F | 86.5°F |
| Hoi An | 87.7°F | 86.7°F | 86.8°F |
| Tuan Chau | 87.1°F | 86.1°F | 85.9°F |
| Hai Phong | 85.8°F | 84.5°F | 84.5°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 |  |
+86 |
| Cat Ba Island | |
+88 |
| Da Lat |  |
+76 |
| Da Nang |  |
+82 |
| Doc Let Beach | |
+86 |
| Ha Long | |
+90 |
| Ha Noi | |
+90 |
| Ho Chi Minh | |
+84 |
| Hoi An | |
+82 |
| Mui Ne |  |
+88 |
| Nha Trang | |
+86 |
| Phan Rang | |
+86 |
| Phan Thiet | |
+88 |
| Phu Quoc | |
+86 |
| Vinpearl | |
+86 |
