World Resorts Vietnam Ha Long Weather

Ha Long 7 Days Forecast

17.05
sun
Day
86°F
W 11 mph
Precip.
67%
Night
79°F
W 4 mph
Precip.
100%
18.05
mon
Day
81°F
N 7 mph
Precip.
100%
Night
77°F
W 5 mph
Precip.
77%
19.05
tue
Day
79°F
NW 7 mph
Precip.
100%
Night
79°F
W 4 mph
Precip.
64%
20.05
wed
Day
79°F
NW 5 mph
Precip.
100%
Night
77°F
W 4 mph
Precip.
100%
21.05
thu
Day
77°F
NW 9 mph
Precip.
100%
Night
79°F
NW 6 mph
Precip.
100%
22.05
fri
Day
84°F
N 8 mph
Precip.
100%
Night
79°F
N 6 mph
Precip.
100%
23.05
sat
Day
86°F
N 9 mph
Precip.
70%
Night
81°F
NW 4 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 81.6°F. The highest and lowest sea temperatures during the month were 84.7°F and 80.4°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

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 68.7 °F
December 69.5 °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

Current weather
02:28
Ha Long
+77°F
SW 6 mph
Feels like: +84°F
Precip.: 75%
Places in Vietnam:
Name
°F
Vinpearl
+79°F
Vung Tau
+79°F
Da Lat
+66°F
Da Nang
+77°F
Doc Let Beach
+79°F
Cam Ranh
+77°F
Cat Ba Island
+79°F
Mui Ne
+79°F
Nha Trang
+77°F
Phan Thiet
+79°F
Phu Quoc
+84°F
Ha Noi
+79°F
Ha Long
+77°F
Hoi An
+77°F
Ho Chi Minh
+84°F
all places
24 Hours Forecast
Ha Long
Local time: 02:28
May 17, sunday
0300
77°F
SW
6 mph
0600
79°F
SW
6 mph
0900
84°F
W
9 mph
1200
86°F
W
11 mph
1500
86°F
W
10 mph
1800
82°F
W
7 mph
2100
79°F
W
6 mph
May 18, monday
0000
79°F
W
4 mph
Units of measurement: °C / °F