Weather in Ha Long: May
 |
Average day temperature: | 85.4°F |
| Average night temperature: | 79.6°F | |
 |
Sea water temperature: | 82.2°F |
 |
Number of sunny days: | 10 days |
| Day length: | 12.9 - 13.3 hours | |
 |
Number of rainy days: | 7 days |
| Precipitation totals: | 3.9 in. | |
| more information | ||
14 days
forecast
forecast
| Ha Long |
sea water
temperature
temperature
| Ha Long |
Air temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
| Day temperature | Night temperature |
The highest day temperature during May of 2024 was 89°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during May were 83.6°F and 77.0°F.
Sea water temperature in Ha Long in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
72
75
78
81
84
87
90
93
The average sea water temperature in May of 2024 was 82.9°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.8°F.
Sunny, partly cloudy and cloudy days
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
23%
42%
35%
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.2
6.4
8.5
10.6
12.7
14.8
16.9
4.4
7.2
12.4
9.8
6.9
1.6
1.1
1.2
1.1
4.4
7.2
12.4
9.8
6.9
4.0
1.6
1.1
1.2
1.1
Precipitation total value in Ha Long in May is 4.0 in.
Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.5
5.2
6.9
8.6
10.4
12.1
8.4
8.5
9.4
7.5
8.0
9.8
10.1
7.0
7.4
7.9
9.1
8.4
8.5
9.4
7.5
8.0
9.8
10.1
8.3
7.0
7.4
7.9
9.1
The average wind speed value in May is 8.3 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.3
4.4
5.5
6.6
7.7
5.1
6.3
6.0
5.4
5.8
6.0
6.4
4.8
4.3
3.5
4.4
5.1
6.3
6.0
5.4
5.8
6.0
6.4
5.6
4.8
4.3
3.5
4.4
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 5.6.
Best time for vacation in Ha Long
Ha Long on a weather map
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Places in Vietnam:
Name
°F
24 Hours Forecast
Ha Long
Local time: 05:44
April 21, monday
0600
75°F
W
3 mph
3 mph
0900
77°F
N
4 mph
4 mph
1200
81°F
N
7 mph
7 mph
1500
81°F
N
6 mph
6 mph
1800
77°F
N
2 mph
2 mph
2100
75°F
W
2 mph
2 mph
April 22, tuesday
0000
73°F
S
1 mph
1 mph
0300
75°F
W
3 mph
3 mph
