The Vietnam resorts with the warmest sea water temperature in May are Phu Quoc, Doc Let Beach and Cam Ranh.
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 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Phu Quoc | 91.8°F | 92.1°F | 93.3°F |
| Doc Let Beach | 90.7°F | 90.3°F | 91.1°F |
| Cam Ranh | 90.7°F | 89.4°F | 91.7°F |
| Vung Tau | 90.4°F | 90.5°F | 92.1°F |
| Phan Thiet | 90.3°F | 89.5°F | 92.2°F |
| Mui Ne | 90.2°F | 89.3°F | 92.1°F |
| Ke Ga | 90.2°F | 89.6°F | 91.9°F |
| Con Dao | 90.1°F | 89.5°F | 92.5°F |
| Ho Chi Minh | 90.1°F | 90.1°F | 91.6°F |
| Hue | 90.0°F | 86.1°F | 89.1°F |
| Phan Rang | 89.9°F | 88.0°F | 91.4°F |
| Nha Trang | 89.5°F | 89.1°F | 90.7°F |
| Vinpearl | 89.1°F | 88.7°F | 90.5°F |
| Thanh Hoa | 87.9°F | 85.8°F | 87.3°F |
| Ha Long | 87.6°F | 85.1°F | 86.6°F |
| Tuan Chau | 87.6°F | 85.1°F | 87.0°F |
| Cat Ba Island | 87.6°F | 85.1°F | 87.0°F |
| Hai Phong | 86.7°F | 84.9°F | 87.9°F |
| Da Nang | 86.3°F | 85.4°F | 86.5°F |
| Hoi An | 85.4°F | 84.9°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 |  |
+78 |
| Da Lat |  |
+66 |
| Da Nang |  |
+80 |
| Doc Let Beach | |
+80 |
| Ha Long | |
+86 |
| Ha Noi | |
+86 |
| Ho Chi Minh |  |
+80 |
| Hoi An | |
+80 |
| Mui Ne |  |
+80 |
| Nha Trang | |
+80 |
| Phan Rang | |
+80 |
| Phan Thiet | |
+80 |
| Phu Quoc | |
+86 |
| Vinpearl | |
+78 |
| Vung Tau | |
+78 |
