World Resorts Vietnam Ha Long Weather

Ha Long Sea Temperature in April

Average sea water temperature in April:
+74.8°F
Minimum sea water temperature in April: 83.3°F
Maximum sea water temperature in April: 66.7°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 73.9°F. The highest and lowest sea temperatures during the month were 78.4°F and 69.4°F.

Monthly sea water temperature in Ha Long, °F

Which Vietnam resorts have warmest sea in April?

Place name April 2025 April 2024
Phu Quoc 86.5°F 88.4°F
Ho Chi Minh 84.6°F 85.8°F
Vung Tau 84.1°F 86.1°F
Phan Thiet 83.4°F 85.9°F
Mui Ne 83.3°F 86.0°F
Ke Ga 82.9°F 85.6°F
Con Dao 82.2°F 85.6°F
Cam Ranh 81.2°F 85.0°F
Doc Let Beach 81.2°F 84.7°F
Nha Trang 80.4°F 83.6°F
Phan Rang 80.4°F 85.0°F
Vinpearl 80.1°F 83.1°F
Hue 77.6°F 79.3°F
Da Nang 77.2°F 80.4°F
Hoi An 76.5°F 79.5°F
Thanh Hoa 74.8°F 79.5°F
Hai Phong 74.2°F 78.9°F
Tuan Chau 74.2°F 78.6°F
Ha Long 73.9°F 77.7°F
Cat Ba Island 73.7°F 78.0°F

Best time for vacation in Ha Long

Sunniest months:
October 13 days
June 12 days
September 12 days
Warmest months:
July 89.0 °F
August 88.5 °F
June 88.5 °F
Warmest sea temp:
July 86.8 °F
August 86.7 °F
June 86.3 °F
Coldest months:
January 67.2 °F
February 68.5 °F
December 69.4 °F
Rainiest months:
July 14 days
August 14 days
June 11 days
Windiest months:
June 10.1 mph
July 9.6 mph
October 9.3 mph

Ha Long on a weather map

Ha Long
+70°F
W 7 mph
Feels like: +70°F
Precip.: 64%
Places in Vietnam:
Name
°F
+79°F
+84°F
+70°F
+75°F
+77°F
+75°F
+70°F
+81°F
+79°F
+75°F
+81°F
+84°F
+66°F
+70°F
+88°F
24 Hours Forecast
Ha Long
Local time: 15:25
December 05, friday
1800
68°F
SW
7 mph
2100
66°F
SW
4 mph
December 06, saturday
0000
66°F
SW
4 mph
0300
64°F
SW
4 mph
0600
64°F
SW
4 mph
0900
68°F
W
6 mph
1200
72°F
W
7 mph
1500
70°F
W
6 mph
Units of measurement: °C / °F