Measurements:
°C
°F
Ha Long
80°F
N 4 mph
Feels like: 84°F
Precip: 0%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

04.21
tue
DAY
82°F
NW 11 mph
precip
100%
NIGHT
78°F
N 6 mph
precip
85%
04.22
wed
DAY
84°F
N 9 mph
precip
100%
NIGHT
78°F
SW 4 mph
precip
100%
04.23
thu
DAY
76°F
S 5 mph
precip
100%
NIGHT
76°F
W 5 mph
precip
76%
04.24
fri
DAY
82°F
W 7 mph
precip
55%
NIGHT
76°F
SW 5 mph
precip
100%
04.25
sat
DAY
80°F
NW 4 mph
precip
64%
NIGHT
74°F
SW 1 mph
precip
0%
04.26
sun
DAY
86°F
N 7 mph
precip
0%
NIGHT
78°F
W 3 mph
precip
57%
04.27
mon
DAY
84°F
N 10 mph
precip
100%
NIGHT
78°F
NW 5 mph
precip
100%

Ha Long Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Ha Long was 26.5°F. The maximum and minimum values were 25.0°F and 27.7°F respectively.

Ha Long on the Weather Map

Best Time to Visit Ha Long
The most sunny months:
October 13 days
June 12 days
September 12 days
The most warm months:
July 93.4 °F
August 92.8 °F
June 92.7 °F
Warmest sea temperature:
July 90.9 °F
August 90.7 °F
June 90.3 °F
The most cold months:
January 69.1 °F
February 70.7 °F
December 71.6 °F
The most rainy months:
July 14 days
August 14 days
June 11 days
The most windy months:
June 10 mph
July 9 mph
October 9 mph