Current Sea Water Temperature:
+88.8°F
| Maximum Sea Water Temperature in September: | 93.6°F |
| Minimum Sea Water Temperature in September: | 85.4°F |
| Average water temperature in September: | 89.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 16 | 88.8°F | September 11 | 89.8°F |
| September 15 | 89.2°F | September 10 | 90.0°F |
| September 14 | 89.2°F | September 09 | 90.2°F |
| September 13 | 89.0°F | September 08 | 89.6°F |
| September 12 | 90.0°F | September 07 | 89.6°F |
When is the Warmest Sea for Ha Long?
According to our data for the last three years for Ha Long the highest average sea water temperature was in July, August and June.
Average Water Temperature by Month, °F
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Ha Long was 91.0°F. The maximum and minimum values were 89.2°F and 92.8°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Ha Long was 90.4°F. The maximum and minimum values were 88.8°F and 92.2°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Ha Long was 92.1°F. The maximum and minimum values were 90.4°F and 93.6°F respectively.
Vietnam Resorts:
NAME
F°
| Cam Ranh |  |
+84 |
| Da Lat |  |
+64 |
| Da Nang |  |
+84 |
| Doc Let Beach |  |
+84 |
| Ha Long | |
+78 |
| Ha Noi | |
+78 |
| Ho Chi Minh | |
+86 |
| Hoi An | |
+84 |
| Mui Ne | |
+80 |
| Nha Trang | |
+84 |
| Phan Rang | |
+84 |
| Phan Thiet | |
+80 |
| Phu Quoc | |
+84 |
| Vinpearl | |
+84 |
| Vung Tau | |
+80 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ha Long
Local time: 19:34
16 sep, wednesday
| 2100 |  |
78°F | SW 4 mph |
17 sep, thursday
| 0000 | |
78°F | SW 4 mph |
| 0300 | |
76°F | SW 4 mph |
| 0600 | |
78°F | SW 4 mph |
| 0900 | |
80°F | W 4 mph |
| 1200 | |
78°F | SW 4 mph |
| 1500 |  |
82°F | W 5 mph |
| 1800 | |
80°F | W 5 mph |