Measurements:
°C
°F
CURRENT WEATHER
16:10
Ha Long
76°F
W 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

12.18
thu
DAY
78°F
W 6 mph
precip
69%
NIGHT
66°F
SW 4 mph
precip
0%
12.19
fri
DAY
76°F
NW 6 mph
precip
0%
NIGHT
66°F
SW 4 mph
precip
0%
12.20
sat
DAY
76°F
W 8 mph
precip
100%
NIGHT
70°F
S 5 mph
precip
0%
12.21
sun
DAY
82°F
W 6 mph
precip
100%
NIGHT
68°F
SW 6 mph
precip
0%
12.22
mon
DAY
76°F
W 11 mph
precip
74%
NIGHT
70°F
W 9 mph
precip
100%
12.23
tue
DAY
72°F
W 10 mph
precip
25%
NIGHT
66°F
SW 5 mph
precip
0%
12.24
wed
DAY
76°F
W 6 mph
precip
43%
NIGHT
64°F
SW 6 mph
precip
0%

Ha Long Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Ha Long was 21.8°F. The maximum and minimum values were 20.9°F and 22.5°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 70.5 °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
more details