The Vietnam resorts with the warmest sea water temperature at this moment are Hue, Thanh Hoa and Ha Long.
Below you can see a list of all popular Vietnam resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
July 2025 | August 2025 |
|---|---|---|---|
| Hue | 90.8°F | 90.3°F | 90.6°F |
| Thanh Hoa | 90.4°F | 91.2°F | 90.5°F |
| Ha Long | 89.6°F | 90.9°F | 90.8°F |
| Tuan Chau | 89.6°F | 90.9°F | 90.8°F |
| Phu Quoc | 89.4°F | 88.2°F | 89.0°F |
| Cat Ba Island | 89.2°F | 90.9°F | 90.8°F |
| Ho Chi Minh | 88.8°F | 87.1°F | 86.8°F |
| Hai Phong | 88.6°F | 89.9°F | 90.2°F |
| Doc Let Beach | 88.6°F | 89.0°F | 88.9°F |
| Da Nang | 88.4°F | 89.4°F | 89.9°F |
| Hoi An | 88.0°F | 88.9°F | 89.3°F |
| Con Dao | 88.0°F | 88.0°F | 88.6°F |
| Vung Tau | 87.8°F | 85.7°F | 86.3°F |
| Cam Ranh | 86.0°F | 87.8°F | 87.5°F |
| Nha Trang | 85.8°F | 87.9°F | 87.6°F |
| Vinpearl | 85.6°F | 87.6°F | 87.3°F |
| Phan Rang | 84.2°F | 86.1°F | 85.6°F |
| Phan Thiet | 83.6°F | 83.7°F | 83.9°F |
| Ke Ga | 83.2°F | 83.7°F | 84.5°F |
| Mui Ne | 83.0°F | 83.4°F | 83.8°F |
Please see following sea water temperature averages charts for the warmest Vietnam resorts for more details.
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 |  |
+84 |
| Cat Ba Island |  |
+86 |
| Da Lat | |
+68 |
| Da Nang | |
+88 |
| Doc Let Beach | |
+86 |
| Ha Long | |
+84 |
| Ha Noi |  |
+88 |
| Ho Chi Minh | |
+88 |
| Hoi An | |
+88 |
| Mui Ne | |
+86 |
| Nha Trang | |
+84 |
| Phan Rang | |
+84 |
| Phan Thiet | |
+86 |
| Phu Quoc | |
+86 |
| Vinpearl | |
+86 |
