Measurements:
°C
°F
Ha Long
78°F
NW 4 mph
Feels like: 82°F
Precip: 73%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

04.17
thu
DAY
78°F
NW 6 mph
precip
80%
NIGHT
76°F
W 3 mph
precip
100%
04.18
fri
DAY
78°F
W 6 mph
precip
0%
NIGHT
76°F
W 2 mph
precip
0%
04.19
sat
DAY
88°F
N 7 mph
precip
0%
NIGHT
78°F
NW 1 mph
precip
0%
04.20
sun
DAY
84°F
N 5 mph
precip
75%
NIGHT
76°F
NE 2 mph
precip
0%
04.21
mon
DAY
84°F
N 7 mph
precip
83%
NIGHT
76°F
S 2 mph
precip
0%
04.22
tue
DAY
90°F
N 7 mph
precip
0%
NIGHT
78°F
E 2 mph
precip
51%
04.23
wed
DAY
86°F
NW 7 mph
precip
0%
NIGHT
74°F
W 3 mph
precip
100%

Ha Long Sea Water Temperature in April, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
16
19
22
25
28
31
34

The average sea surface temperature in April 2025 for Ha Long was 21.9°F. The maximum and minimum values were 20.8°F and 23.3°F respectively.

Ha Long on the Weather Map

Best Time to Visit Ha Long
The most sunny months:
October 14 days
August 12 days
June 12 days
The most warm months:
July 93.5 °F
August 93.1 °F
June 92.9 °F
Warmest sea temperature:
July 90.9 °F
August 90.7 °F
June 90.4 °F
The most cold months:
January 69.1 °F
February 70.5 °F
December 71.6 °F
The most rainy months:
July 15 days
August 14 days
June 12 days
The most windy months:
June 10 mph
July 10 mph
October 9 mph