Best Time to Visit Halong Bay for Perfect Weather & Great Deals

September 21, 2022 - 2200 views

Traveling to Halong Bay will be more hassle-free if you have knowledge of the perfect time to go on a vacation. For better understanding, our complete guide will help you bear in mind when the best time to visit Halong Bay is. Let’s get the hands-on experience to enjoy your trip to the fullest.

When it comes to a good time to visit a destination, everyone will concern about the weather, expenditure, and special events during that time. Similarly, Halong Bay tourists better learn about climate conditions, hot deal tours, and festival seasons before choosing the best time to travel. However, you must know exactly what you expect for a perfect Halong trip to decide on the specific time to visit.

It goes without saying that Halong Bay is worth visiting the whole year-round for its different beauty every single time. However, there’re some specific months attracting more visitors than others and making the best time of year to visit Halong Bay.

  • For great Halong Bay weather: Make up your mind to schedule your visit during the months of September – October, and March – April, when the climate creates favorable conditions to go sightseeing and join various activities in the bay.
  • For great Halong Bay deals: May – August is the best time to hunt for huge discounts and promotion codes on Halong tours and cruise deals.

So, what makes the best time, and what draws tourists’ attention to this stunning world heritage site? Let’s go for more details to figure out when to visit Halong Bay and what to do if your tour is canceled due to the bad weather.


Best Time to Visit Halong Bay By Weather

For most tourists, the weather condition is a major concern that affects directly their vacation and is the most important factor in choosing the best time to go. Located in northern Vietnam, Halong Bay weather features the tropical monsoon climate which is divided into four seasons: the warm spring, the hot summer, the cool autumn, and the cold winter.

The average annual temperature is 25°C, and the temperature fluctuates from 13°C to 38°C throughout the year. June is the hottest month of the year, while January is the coldest one.

The annual amount of precipitation is approximately 1,395 mm. The largest rainfall happens between June and August – the wettest month. The difference between the highest precipitation and the lowest precipitation in December is 225 mm.

best time to visit Halong Bay

A rough guide to the best time you should travel to Halong Bay

Considering the best month to visit Halong Bay, March – April (spring) and September – October (autumn) experience the most delightful weather conditions. During these months, the pleasant temperature and low rainfall create favorable conditions to join a handful of water-based activities like kayaking, BBQ lunch, cruising, etc.

To get deeper insight, let's check our Halong Bay Weather & Temperature: Ultimate Guide


Best Time to Get the Best Halong Cruise Deals

For budget travelers, it is advisable to get the best Halong Bay Cruise deals in the late summer (June - August). During the offseason, many cruise ships offer great discounts and combo packages that you can save up to 40% OFF compared with the price of the high season.

In most cases, you should keep in mind that the low cost goes hand in hand with the high risk of cruise cancellation and delay due to unpredictable Halong Bay storms. Nevertheless, bad weather happens occasionally and doesn’t last longer than four days.

Now, you may wonder what to expect for the low season in Ha Long Bay. Fortunately, summer is an ideal time to get tanned and immerse in turquoise water under the crystal clear sky. Once again, you can definitely plan a trip around the months from June to August, which is the best time to get a hot deal.

To avoid unexpected weather conditions, smart travelers better look for last-minute cruise deals while keeping an eye on the weather forecast at the same time.

best time to get cruise deal in Halong

May to August is the best time to hunt for sale-off Halong cruise deals

Needless to say, the other months from October to next April must be the peak season in Halong Bay. Despite not being a perfect time to hunt for the best cruise deals, the peak season is still a favorable time to enjoy the best weather. 


Best Season to Visit Halong Bay

Spring (February – April)

  • Temperature: 18°C to 30°C, with an average of around 24°C in couples with little sunshine
  • Climate: Frequent drizzles in February, increasing humidity levels in March, and the possibility of little fog

Taking everything into account, the Halong spring is quite pleasant, which marks the new beginnings of flowers blooming and swallows flying over the bay.

Best time to have cave dinner in Halong Bay

Spring is the best time to have cave dinner in Halong Bay

Spring is considered the best season to visit Halong Bay as tourists can truly experience cruising slowly around the freshly breathtaking scenery. When the sun shines constantly all day and the water is gentle and calm, it’s a perfect time for outdoor activities such as swimming, kayaking, and steamy BBQ cave dining in the daytime.

At night, you should spend time catching squid with the fishermen as spring is Halong’s squid season.

In late spring, the bay becomes more appealing and remains attractive to tourists till the summer, especially since April is among the best months to visit Halong.


Summer (May August)

  • Temperature: Around 35°C, while the maximum temperature recorded is 38°C
  • Climate: Long sunshine, occasional thunderstorms, and high precipitation (1,000 mm per month)

During Halong summertime, the sun shines from very early morning until as late as 7:00 pm, making the daytime longer than the nighttime. Also called the storm season, summer features the hottest and wettest month in August when thunderstorms and typhoons occur more frequently with an estimation of 18 – 20 rainy days.

Best time to have a swim in Halong Bay

Summer is the best time to join water-based activities in Ha Long Bay

Summer brings clear views of the stunning islands and emerald water, which make a perfect time to travel by seaplane. Also, tourists will have great chances to take part in amusing activities like swimming, kayaking, sightseeing, sunbathing, fishing, and cycling.

However, you’d better avoid the noontime because too much sun exposure can probably cause heat exhaustion, heatstroke, or sunburn.

All things considered, summer is such a desirable time to travel to Halong Bay at a low cost, if you check the weather forecast carefully to avoid Halong Bay's rainy season


  • If you visit Ha Long from July to September, there are higher chances of typhoons, which may result in the cancellation or delay of your cruise tour.
  • Most of all, storms and typhoons last in a very short time for about 2 or 3 days and are thus considered to be harmless. 
  • In case of a big storm, be sure to contact your agent for alternative solutions.


Autumn (September – October)

  • Temperature: Average temperature lower than 27°C
  • Climate: Low humidity, less sunshine, dramatic fall in precipitation

When summer ends with a transitional climate, Halong Bay autumn comes with a breeze and chilly weather. For the most part, October is the best month to visit Halong Bay and from October onwards is the best season to travel on a cruise. The wonderful weather will enable you to enjoy all activities offered on-board while making sightseeing as perfect as it could be.

Perfect time to take Halong Bay Cruise

Autumn is the perfect time to take a Halong Cruise


  • The nice weather makes autumn the peak season. Consequently, Ha Long Bay becomes more bustling and expensive than at other times of the year.
  • To avoid crowds, you should visit less-touristy destinations like Lan Ha Bay and Bai Tu Long Bay.


Winter (November – January)

  • Temperature: The highest temperature reaches only 20°C, while the temperature can drop to about 8°C
  • Climate: Dry, cold, foggy in the morning, adequate sunlight at noon, some drizzle in the afternoon

Halong winter features dry and cold weather while thick fog possesses a mysterious beauty. The winter officially comes in November and gets colder and colder in January.

Halong Bay in fog

Halong Bay is covered by fog in winter

During wintertime, Halong Bay welcomes fewer tourists than in autumn and you can admire the distinctive look of the bay partly covered by fog. Although swimming is not suitable, there are a lot of other activities to do, including kayaking, visiting local fishing villages, or taking an overnight Halong Bay cruise, the most comfortable experience in winter.

Additionally, Ha Long Bay is crowded with foreign tourists during the season break of the Christmas and New Year Holidays as well as the Vietnamese Tet Holiday. It is hard the find a good deal tour and sometimes easier to get surcharged on special occasions. If you are eager to learn about different cultures, winter should be the best time to travel.


Best Time to Visit Halong Bay by Event

Carnaval Ha Long Festival

Carnaval Ha Long Festival has become the rendezvous destination of vacation and art lovers. Held at the end of April and early May every year, this festival is an occasion to mark the start of vibrant summer and commemorate those who have lost their lives for the peace of future generations.

The street parade with different themes and messages each year is the most impressive and iconic part of the Carnaval Ha Long Festival. The festival offers the most exciting time of year to travel as well as to enjoy Vietnamese traditional art performances, thematic exhibitions, and art shows.

Best time to visit Halong Bay by event - Carnaval Ha Long Festival

Carnaval Ha Long Festival


Yen Tu Festival

Yen Tu Festival is one of the most sacred and energetic magical attractions in Quang Ninh Province. Every year, Yen Tu Festival begins on January 9th and lasts for 3 months of spring in the Yen Tu Mountain area. The festival is to honor the merit of Lord Tran Nhan Tong, the 3rd King of the Tran dynasty, and the founder of Truc Lam Zen monastery.

It is a perfect time to join various activities of the Yen Tu Festival and await tourists to discover. Travelers usually take a pagoda trip from Giai Oan Pagoda – the place to unjustly assert the frequency and beauty for King Tran Nhan Tong’s sake, Dong Pagoda, Hoa Yen Pagoda, and Truc Lam Yen Tu Monastery.


Tra Co Temple Festival

Tra Co Festival is annually taking place at Tra Co Communal House, one of the typical cultural, artistic, and architectural relics of Mong Cai City. There’re two sections including the ritual ceremonies and the festival, which comprise cultural performances, calligraphy writing along with some fun games such as tug of war, stilts, and volleyball. Especially, the unique feature of the festival is the "Mr. Elephant" contest.

From the 30th day of the fifth lunar month to the 6th day of the sixth lunar month (late June or early July), Tra Co Temple Festival gives tourists a great time to enjoy exciting festive and ritual ceremonies in Halong. Moreover, tourists will be inspired by the nostalgic atmosphere of the historic sites.

Tra Co Temple Festival

Tra Co Temple Festival


Cua Ong Temple Festival

From the 2nd day of the first lunar month to the 30th day of the third lunar month (early February to April), Cua Ong Festival is the only one to fully worship Tran Hung Dao’s family and his courtiers at Cua Ong Temple. The festival has a sacred reputation that tourists usually come to pray for some luck and health as well as to pay some tribute to the heroic General of Vietnam.

During the festival, the spectacular ceremonies consist of the procession of Tran Quoc Tang and incense offering to commemorate the mighty General. After ceremonies, many folk arts, sports, and amusing activities are taken place such as dragon dance, flagging, blindfolding, drumming, or tug of war. If you visit Halong during the second month of the Vietnamese lunar calendar, don’t forget to join the excitement of the Cua Ong Festival.


Public holidays in Halong Bay

During Vietnamese public holidays, Ha Long is crowded with a great number of domestic travelers. If you seek a less crowded time to go, you should better avoid the following timeline when Vietnamese tourists frequently take a short vacation for a couple of days.

public holidays in halong

Choose the best festival season to go to Ha Long

To sum up:

Best time to visit Halong Bay for great weather

March, April, September, October, November

Perfect time to get the best deals

June, July, August

Best season to travel to Halong

Spring (February - April), Autumn (September - October)

The best month to visit Halong Bay

April, October

Best time to go by events & festivals

Late January, February, March, April, May


Things to Do if the Halong Bay Tour is Canceled Due to the Bad Weather

The bad weather conditions include heavy storms, typhoons, and thick fog, which make it an unfavorable trip. Consequently, the management board of Ha Long, the state agency taking up all operations, often makes a decision to cancel or shorten the cruise/tour itinerary to ensure the passengers’ safety.

As a rule, all cruise operators and travel companies have to follow the final decision of cruise/tour cancellation by the management board. In most cases, passengers can get a refund for cancellation or alternative choices plan if the cruise tour is put off. As a passenger, you should check the updates and keep in touch with travel agents to be informed of any cancellations or a backup plan.

Please check the cancellation policy in advance. If you haven’t embarked yet, it is suggested to wait for the next cruise trip in calmer weather or visit the other destinations in northern Vietnam and save Halong for the last. If you are on a cruise trip, you should follow the arrangements of the cruise operator.

For more details: What should you do if Halong Bay Cruise is canceled?

back up plan for Halong cruise cancellation

Ninh Binh, the Halong Bay on land, is a backup plan for cruise cancellation

All in all, every time of the year is perfect for a Halong bay tour, but the best time to visit Halong depends on what you prefer: beautiful weather or hot cruise deals, water-based or other outdoor activities, exciting festivals, or fewer crowds.

Nevertheless, your trip is also affected by unpredictable bad weather that leads to the cancellation or delay of the cruise/tour. Hope this essential guide will help you to choose when you should travel.

You might also like: Best Time to Visit Hanoi and Halong Bay

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(Images source: Internet)

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