The Vietnam resorts with the warmest sea water temperature in October are Phu Quoc, Con Dao and Phan Thiet.
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 |
|---|---|---|---|
| Phu Quoc | 90.2°F | 88.4°F | 89.8°F |
| Con Dao | 90.0°F | 88.7°F | 88.7°F |
| Phan Thiet | 89.3°F | 87.3°F | 88.6°F |
| Ke Ga | 89.3°F | 87.9°F | 88.7°F |
| Mui Ne | 89.2°F | 87.3°F | 88.7°F |
| Doc Let Beach | 89.2°F | 88.0°F | 88.1°F |
| Vung Tau | 89.2°F | 88.2°F | 89.0°F |
| Cam Ranh | 89.1°F | 87.5°F | 88.0°F |
| Nha Trang | 88.6°F | 87.2°F | 87.4°F |
| Hue | 88.6°F | 87.4°F | 87.4°F |
| Ho Chi Minh | 88.6°F | 87.5°F | 88.4°F |
| Cat Ba Island | 88.5°F | 86.6°F | 86.7°F |
| Vinpearl | 88.4°F | 87.0°F | 87.3°F |
| Phan Rang | 88.4°F | 86.9°F | 87.8°F |
| Thanh Hoa | 88.3°F | 86.9°F | 86.9°F |
| Da Nang | 87.8°F | 87.0°F | 87.0°F |
| Ha Long | 87.7°F | 86.4°F | 86.5°F |
| Hoi An | 87.5°F | 86.7°F | 86.8°F |
| Tuan Chau | 87.0°F | 86.1°F | 85.9°F |
| Hai Phong | 85.4°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 |  |
+78 |
| Cat Ba Island |  |
+70 |
| Da Lat |  |
+68 |
| Da Nang | |
+78 |
| Doc Let Beach | |
+82 |
| Ha Long | |
+70 |
| Ha Noi |  |
+68 |
| Ho Chi Minh | |
+88 |
| Mui Ne | |
+90 |
| Nha Trang | |
+82 |
| Phan Rang | |
+78 |
| Phan Thiet | |
+90 |
| Phu Quoc | |
+84 |
| Vinpearl | |
+82 |
| Vung Tau | |
+88 |
