Current Sea Water Temperature:
+89.8°F
| Maximum Sea Water Temperature in August: | 93.4°F |
| Minimum Sea Water Temperature in August: | 86.2°F |
| Average water temperature in August: | 90.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 05 | 89.8°F | July 31 | 91.6°F |
| August 04 | 89.6°F | July 30 | 91.6°F |
| August 03 | 89.8°F | July 29 | 91.0°F |
| August 02 | 90.8°F | July 28 | 92.0°F |
| August 01 | 91.0°F | July 27 | 92.8°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 2025 for Ha Long was 90.8°F. The maximum and minimum values were 88.2°F and 92.6°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 |  |
+82 |
| Da Lat |  |
+64 |
| Da Nang | |
+84 |
| Doc Let Beach | |
+80 |
| Ha Long |  |
+82 |
| Ha Noi | |
+82 |
| Ho Chi Minh | |
+82 |
| Hoi An | |
+84 |
| Mui Ne |  |
+80 |
| Nha Trang | |
+80 |
| Phan Rang | |
+82 |
| Phan Thiet | |
+80 |
| Phu Quoc | |
+84 |
| Vinpearl | |
+80 |
| Vung Tau | |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ha Long
Local time: 05:15
06 aug, thursday
| 0600 |  |
82°F | S 5 mph |
| 0900 | |
88°F | SW 6 mph |
| 1200 | |
90°F | SW 7 mph |
| 1500 | |
88°F | SW 6 mph |
| 1800 | |
84°F | SW 4 mph |
| 2100 | |
82°F | SW 5 mph |
07 aug, friday
| 0000 | |
82°F | S 5 mph |
| 0300 | |
82°F | S 4 mph |