Measurements:
°C
°F
Ha Long
68°F
S 4 mph
Feels like: 68°F
Precip: 5%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

10.07
wed
DAY
90°F
NW 4 mph
precip
1%
NIGHT
74°F
S 3 mph
precip
20%
10.08
thu
DAY
90°F
NW 5 mph
precip
6%
NIGHT
76°F
S 4 mph
precip
21%
10.09
fri
DAY
82°F
W 4 mph
precip
26%
NIGHT
78°F
W 4 mph
precip
29%
10.10
sat
DAY
82°F
SW 2 mph
precip
21%
NIGHT
76°F
SE 3 mph
precip
13%
10.11
sun
DAY
92°F
NW 8 mph
precip
11%
NIGHT
76°F
S 2 mph
precip
14%
10.12
mon
DAY
90°F
NW 6 mph
precip
10%
NIGHT
78°F
SW 3 mph
precip
21%
10.13
tue
DAY
90°F
NW 6 mph
precip
36%
NIGHT
80°F
SW 2 mph
precip
20%

Ha Long Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Ha Long was 28.2°F. The maximum and minimum values were 26.5°F and 29.1°F respectively.

Ha Long on the Weather Map

Best Time to Visit Ha Long
The most sunny months:
October 13 days
June 11 days
August 11 days
The most warm months:
July 93.1 °F
August 92.7 °F
June 92.6 °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 70.7 °F
December 71.6 °F
The most rainy months:
July 14 days
August 14 days
June 11 days
The most windy months:
June 9 mph
July 9 mph
October 9 mph