Sea temperature - Vietnam: month by month
Average sea temperature each month - a rough guide to when it's worth going. Current month highlighted.
| Month | Average | Warmest |
|---|---|---|
| January | 26.6°C | Phu Quoc 28.7°C |
| February | 27.2°C | Phu Quoc 29.3°C |
| March | 28.1°C | Phu Quoc 30.0°C |
| April | 29.4°C | Phu Quoc 31.2°C |
| May | 30.9°C | Phu Quoc 31.7°C |
| June | 30.0°C | Phu Quoc 30.3°C |
| July | 29.2°C | Phu Quoc 29.5°C |
| August | 29.2°C | Phu Quoc 29.8°C |
| September | 29.6°C | Nha Trang 30.0°C |
| October | 29.8°C | Phu Quoc 30.1°C |
| November | 28.8°C | Phu Quoc 29.9°C |
| December | 27.8°C | Phu Quoc 29.4°C |
Frequently asked questions
In which month is the sea warmest?
Warmest: May, about 30.9°C on average.
When is the sea coldest?
Coldest: January, about 26.6°C on average.
What is the sea temperature in summer?
In summer (June-August) about 29.5°C on average.
In which months is the sea warmest?
The sea usually exceeds 24°C from January to December.
Sea temperature - Vietnam, January
Average (January): about 26.6°C. Warmest: Phu Quoc (28.7°C).
Sea temperature - Vietnam, February
Average (February): about 27.2°C. Warmest: Phu Quoc (29.3°C).
Sea temperature - Vietnam, March
Average (March): about 28.1°C. Warmest: Phu Quoc (30.0°C).
Sea temperature - Vietnam, April
Average (April): about 29.4°C. Warmest: Phu Quoc (31.2°C).
Sea temperature - Vietnam, May
Average (May): about 30.9°C. Warmest: Phu Quoc (31.7°C).
Sea temperature - Vietnam, June
Average (June): about 30.0°C. Warmest: Phu Quoc (30.3°C).
Sea temperature - Vietnam, July
Average (July): about 29.2°C. Warmest: Phu Quoc (29.5°C).
Sea temperature - Vietnam, August
Average (August): about 29.2°C. Warmest: Phu Quoc (29.8°C).
Sea temperature - Vietnam, September
Average (September): about 29.6°C. Warmest: Nha Trang (30.0°C).
Sea temperature - Vietnam, October
Average (October): about 29.8°C. Warmest: Phu Quoc (30.1°C).
Sea temperature - Vietnam, November
Average (November): about 28.8°C. Warmest: Phu Quoc (29.9°C).
Sea temperature - Vietnam, December
Average (December): about 27.8°C. Warmest: Phu Quoc (29.4°C).