Ha long Bay Weather and Climate: A Comprehensive Guide
Ha long Bay experiences great temperature shifts.
The city's weather can transition from very warm days
to pleasant weather.
It is also known for its large amounts of rainfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
The climate in Ha long Bay is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C in June to a pleasant 20°C in the coolest month, January.
Nights are cooler, with lows often dropping to around 16°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Ha long Bay has a notably wet climate with abundant precipitation, recording 2090 mm of rainfall per year. The climate in Ha long Bay shows significant variation throughout the year. Expect heavy rainfall in August, with an average of 430 mm of precipitation over 16 rainy days. In contrast, February offers drier and sunnier days, with around 51 mm of rainfall over 11 rainy days. For more details, please visit our Ha long Bay Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Ha long Bay serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 6.7 hours of sunshine daily, and embrace the darker days in March, offering only 1.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in March, reaching 88%. In November, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
overcast and no rain clear and no rain clear and no rainForecast for Ha long Bay
4 m/s
5 m/s
5 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Ha long Bay in Vietnam
During the months of February, March, April, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Rainy season in Ha long Bay occurs in the months of May, June, July, August and September.
July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 20°C.
August tops the wettest month list with 430 mm of rainfall.
December is the driest month with 51 mm of precipitation.
July is the sunniest month with an average of 200 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
