Measurements:
°C
°F
CURRENT WEATHER
09:01
Ha Long
86°F
N 11 mph
Feels like: 96°F
Precip: 100%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

05.13
wed
DAY
90°F
N 11 mph
precip
88%
NIGHT
82°F
W 2 mph
precip
0%
05.14
thu
DAY
94°F
N 7 mph
precip
0%
NIGHT
84°F
W 3 mph
precip
0%
05.15
fri
DAY
84°F
NW 7 mph
precip
0%
NIGHT
82°F
W 7 mph
precip
0%
05.16
sat
DAY
92°F
NW 8 mph
precip
55%
NIGHT
82°F
W 9 mph
precip
100%
05.17
sun
DAY
88°F
W 11 mph
precip
100%
NIGHT
82°F
W 11 mph
precip
100%
05.18
mon
DAY
82°F
W 9 mph
precip
100%
NIGHT
80°F
W 7 mph
precip
100%
05.19
tue
DAY
86°F
NW 7 mph
precip
100%
NIGHT
82°F
NW 6 mph
precip
100%

Ha Long Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Ha Long was 27.5°F. The maximum and minimum values were 25.4°F and 28.3°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 70.7 °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