Current sea water temperature:
+69.8°F
| Minimum sea water temperature in January: | 73.2°F |
| Maximum sea water temperature in January: | 62.4°F |
| Average sea water temperature in January: | 66.9°F |
| more information | |
14 days
forecast
forecast
| Ha Long |
monthly
weather
weather
| Ha Long |
Sea water temperature for the last 10 days:
| December 31 | 69.8°F | December 26 | 71.8°F |
| December 30 | 69.8°F | December 25 | 72.1°F |
| December 29 | 69.8°F | December 24 | 73.2°F |
| December 28 | 70.2°F | December 23 | 73.0°F |
| December 27 | 70.2°F | December 22 | 72.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Ha Long?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ha Long was noticed in July, August and June.
Monthly Sea Temperatures in Ha Long, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 89.1°F and 84.7°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 84.4°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 82.8°F.
current
weather
weather
| Ha Long |
weather in
January
January
| Ha Long |
Best time for vacation in Ha Long
Ha Long on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Ha Long
Local time: 04:50
January 01, thursday
0600

66°F
W
7 mph
7 mph
0900

70°F
W
7 mph
7 mph
1200

73°F
W
9 mph
9 mph
1500

72°F
W
10 mph
10 mph
1800

66°F
SW
7 mph
7 mph
2100

66°F
SW
9 mph
9 mph
January 02, friday
0000

64°F
SW
11 mph
11 mph
0300

64°F
SW
11 mph
11 mph



























