27.04
mon
mon
Day
82°F
N 11 mph
Precip.
100%
100%
Night
75°F
NW 4 mph
Precip.
68%
68%
28.04
tue
tue
Day
82°F
N 9 mph
Precip.
100%
100%
Night
75°F
S 9 mph
Precip.
100%
100%
29.04
wed
wed
Day
79°F
S 4 mph
Precip.
79%
79%
Night
68°F
S 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
79°F
N 5 mph
Precip.
0%
0%
Night
70°F
W 5 mph
Precip.
0%
0%
01.05
fri
fri
Day
77°F
NW 6 mph
Precip.
100%
100%
Night
75°F
NW 5 mph
Precip.
100%
100%
02.05
sat
sat
Day
81°F
N 11 mph
Precip.
100%
100%
Night
77°F
W 3 mph
Precip.
80%
80%
03.05
sun
sun
Day
84°F
N 9 mph
Precip.
100%
100%
Night
77°F
W 2 mph
Precip.
0%
0%
04.05
mon
mon
Day
84°F
W 8 mph
Precip.
100%
100%
Night
77°F
W 2 mph
Precip.
75%
75%
05.05
tue
tue
Day
86°F
NW 9 mph
Precip.
66%
66%
Night
79°F
NW 4 mph
Precip.
100%
100%
06.05
wed
wed
Day
84°F
N 10 mph
Precip.
100%
100%
Night
81°F
NW 9 mph
Precip.
53%
53%
07.05
thu
thu
Day
86°F
N 10 mph
Precip.
25%
25%
Night
81°F
NW 7 mph
Precip.
76%
76%
08.05
fri
fri
Day
86°F
N 9 mph
Precip.
88%
88%
Night
79°F
NW 4 mph
Precip.
70%
70%
09.05
sat
sat
Day
86°F
NW 9 mph
Precip.
70%
70%
Night
79°F
W 6 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 81.9°F and 77.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 77.7°F.
Air temperature in Ha Long, °F
Precipitation total in Ha Long, in.
* Charts above show average data for the last 3 years.
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: 00:23
April 27, monday
0300
75°F
NW
4 mph
4 mph
0600
75°F
N
3 mph
3 mph
0900
79°F
N
7 mph
7 mph
1200
82°F
N
11 mph
11 mph
1500
81°F
N
10 mph
10 mph
1800
79°F
NW
6 mph
6 mph
2100
77°F
NW
4 mph
4 mph
April 28, tuesday
0000
75°F
NW
4 mph
4 mph
