Nha Trang Sea Temperature

Updated Mon 20:17 (Asia/Ho_Chi_Minh)

Vietnam · Forecast updated Aug 10, 2026, 20:17 UTC

Current Sea Temperature

29.2°C

84.6°F

Very warm water

Versus this month's average

Close to average

The August average in our archive is 29.2°C (84.5°F).

Recent trend

Holding fairly steady

Seven-day average: 29.1°C, versus 28.9°C in the prior seven days.

What to wear

Very warm water

Swimwear is usually enough; a rash guard adds sun protection.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.

Sea Surface Temperature Over the Year

In the data collected for Nha Trang, monthly averages range from about 28.5°C (83.2°F) in July to 29.6°C (85.3°F) in June.

Over the past 30 days, the average sea temperature in Nha Trang has been 28.5°C.

Month	Min	Average	Max
June	28.8°C / 83.8°F	29.6°C / 85.3°F	30.5°C / 86.9°F
July	26.6°C / 79.9°F	28.5°C / 83.2°F	29.5°C / 85.1°F
August	28.5°C / 83.3°F	29.2°C / 84.5°F	29.8°C / 85.6°F

Profile calculated from 1709 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Bay city with Hon Mun marine reserve and shallow reef islands offshore.

The current sea surface temperature in Nha Trang is 29.2°C. Over the last 30 days, the average has been 28.5°C.

The warmest monthly average in the Nha Trang archive is June, at around 29.6°C (85.3°F).

The coldest monthly average in the archive is July, at around 28.5°C (83.2°F).

At 29.2°C, the water is usually comfortable for swimming and snorkeling.

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Nha Trang.