The Vietnam resorts with the warmest sea water temperature in May are Phu Quoc, Vung Tau and Doc Let Beach.
Below you can see a list of all popular Vietnam resorts and information about sea water temperature in May for the last two years.
| Resort Name | May 2025 | May 2024 | May 2023 |
|---|---|---|---|
| Phu Quoc | 92.1°F | 93.3°F | 92.1°F |
| Vung Tau | 90.5°F | 92.1°F | 90.4°F |
| Doc Let Beach | 90.3°F | 91.1°F | 89.8°F |
| Ho Chi Minh | 90.1°F | 91.6°F | 90.1°F |
| Ke Ga | 89.6°F | 91.9°F | 89.6°F |
| Con Dao | 89.5°F | 92.5°F | 89.9°F |
| Phan Thiet | 89.5°F | 92.2°F | 89.8°F |
| Cam Ranh | 89.4°F | 91.7°F | 89.5°F |
| Mui Ne | 89.3°F | 92.1°F | 89.6°F |
| Nha Trang | 89.1°F | 90.7°F | 88.7°F |
| Vinpearl | 88.7°F | 90.5°F | 88.2°F |
| Phan Rang | 88.0°F | 91.4°F | 87.7°F |
| Hue | 86.1°F | 89.1°F | 88.3°F |
| Thanh Hoa | 85.8°F | 87.3°F | 87.4°F |
| Da Nang | 85.4°F | 86.5°F | 86.4°F |
| Cat Ba Island | 85.1°F | 87.0°F | 86.4°F |
| Tuan Chau | 85.1°F | 87.0°F | 87.2°F |
| Ha Long | 85.1°F | 86.6°F | 86.7°F |
| Hai Phong | 84.9°F | 87.9°F | 87.0°F |
| Hoi An | 84.9°F | 86.0°F | 86.0°F |
Please see following sea water temperature averages charts for the warmest Vietnam resorts in May.
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 |
