World Resorts Vietnam Ha Long Weather

Ha Long sea water temperature

Current sea water temperature:
+84.7°F
Minimum sea water temperature in October: 87.8°F
Maximum sea water temperature in October: 77.4°F
Average sea water temperature in October: 82.7°F

Sea water temperature for the last 10 days:

October 24 84.7°F October 19 84.0°F
October 23 83.5°F October 18 82.8°F
October 22 82.2°F October 17 83.8°F
October 21 84.2°F October 16 83.8°F
October 20 84.6°F October 15 83.1°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.3°F.

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.9°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 87.9°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.4°F.

Best time for vacation in Ha Long

Sunniest months:
October 13 days
June 11 days
August 11 days
Warmest months:
July 88.8 °F
August 88.4 °F
June 88.4 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.4 °F
Coldest months:
January 67.2 °F
February 68.7 °F
December 69.5 °F
Rainiest months:
July 14 days
August 14 days
June 11 days
Windiest months:
June 9.9 mph
July 9.4 mph
October 9.3 mph

Ha Long on a weather map

Ha Long
+73°F
SW 3 mph
Feels like: +79°F
Precip.: 14%
Places in Vietnam:
Name
°F
+73°F
+57°F
+75°F
+73°F
+75°F
+81°F
+72°F
+73°F
+75°F
+72°F
+79°F
+77°F
+73°F
+75°F
+75°F
24 Hours Forecast
Ha Long
Local time: 05:31
October 25, sunday
0600
73°F
SW
3 mph
0900
86°F
NW
5 mph
1200
88°F
NW
8 mph
1500
84°F
NW
6 mph
1800
79°F
W
4 mph
2100
77°F
SW
3 mph
October 26, monday
0000
77°F
SW
4 mph
0300
75°F
SW
4 mph
Units of measurement: °C / °F