Current sea water temperature:
+70.2°F
| Minimum sea water temperature in December: | 78.3°F |
| Maximum sea water temperature in December: | 64.6°F |
| Average sea water temperature in December: | 71.2°F |
| more information | |
14 days
forecast
forecast
| Ha Long |
monthly
weather
weather
| Ha Long |
Sea water temperature for the last 10 days:
| December 27 | 70.2°F | December 22 | 72.3°F |
| December 26 | 71.8°F | December 21 | 71.6°F |
| December 25 | 72.1°F | December 20 | 71.2°F |
| December 24 | 73.2°F | December 19 | 70.2°F |
| December 23 | 73.0°F | December 18 | 69.6°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
December
December
| 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: 23:41
December 28, sunday
0000
63°F
SW
6 mph
6 mph
0300
63°F
SW
6 mph
6 mph
0600
61°F
SW
6 mph
6 mph
0900
63°F
SW
6 mph
6 mph
1200
64°F
SW
6 mph
6 mph
1500
66°F
SW
6 mph
6 mph
1800
64°F
SW
5 mph
5 mph
2100
63°F
SW
4 mph
4 mph
