In July warmest sea in Vietnam is usually observed in the following locations: Thanh Hoa, Ha Long, Cat Ba Island.
Table below shows the average sea water temperature for marine resorts of Vietnam in July for the last three years.
| Place name | July 2025 | July 2024 | July 2023 |
|---|---|---|---|
| Thanh Hoa | 87.1°F | 87.5°F | 88.2°F |
| Ha Long | 86.8°F | 87.6°F | 88.6°F |
| Cat Ba Island | 86.8°F | 87.4°F | 88.3°F |
| Tuan Chau | 86.8°F | 87.5°F | 88.5°F |
| Hue | 86.2°F | 86.4°F | 87.3°F |
| Hai Phong | 85.9°F | 86.5°F | 87.1°F |
| Da Nang | 85.5°F | 84.4°F | 85.0°F |
| Doc Let Beach | 85.1°F | 84.8°F | 85.0°F |
| Hoi An | 85.0°F | 84.0°F | 84.5°F |
| Phu Quoc | 84.3°F | 85.0°F | 85.4°F |
| Con Dao | 84.2°F | 85.1°F | 84.1°F |
| Nha Trang | 84.1°F | 83.8°F | 83.8°F |
| Cam Ranh | 84.1°F | 83.9°F | 84.1°F |
| Vinpearl | 83.8°F | 83.5°F | 83.4°F |
| Ho Chi Minh | 83.3°F | 84.7°F | 84.1°F |
| Phan Rang | 82.5°F | 83.6°F | 82.8°F |
| Vung Tau | 82.2°F | 84.8°F | 83.8°F |
| Phan Thiet | 80.4°F | 83.3°F | 82.1°F |
| Ke Ga | 80.3°F | 83.6°F | 82.5°F |
| Mui Ne | 80.1°F | 83.0°F | 81.9°F |
Charts below show average sea water temperature for Vietnam resorts with the warmest sea in July.
You can also check other months of the year to see sea temperature of Vietnam resorts at that time.
Places in Vietnam:
Name
°F
