The weather condition in tourist destinations is always a top concern when planning your tours. Halong Bay is no exception. Tourists should notice all the necessary and updated information about the weather in all seasons to know exactly when to visit Halong bay, without any interruptions for your sightseeing and discovery activities.
Located in the North of Vietnam, Halong Bay has four different seasons in a year, which is much more interesting than the Southern weather. In particular, whether in winter is quite cold, while in other seasons like summer or fall it is really hot. Each kind of weather has a certain influence on the landscape, giving tourists different experiences. Besides, the weather also determines which activities your trip will be able to participate in.
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Spring in Halong bay from February to April
This season has high humidity so the sky is usually covered by fog. It may be a bit tough for tourists since your clothes and hair are always wet and uncomfortable. Some activities such as kayaking, swimming or sightseeing may be affected or delayed due to weather conditions. But the mist also coats the bay a blurry beauty that many people prefer.
Meanwhile, the Lunar New Year – the most anticipated holiday of the year in Vietnam is also impressive. On this occasion, most people come back to their hometown to celebrate Tet with their family and relative, so Halong Bay becomes more deserted and quiet.
Summer in Halong bay from May to August
Summer is an ideal time for those who love to campaign and enjoy water activities. The cool, blue sea of Halong Bay will dispel the summer heat quickly. Besides, the summer sky is always clear and attractive, combined with the cool blue seawater making the bay even more beautiful.
However, summer is a peak season, so the number of tourists coming to Halong Bay increases remarkably. Especially in the period from June to July, the demand for sightseeing, entertainment, and relaxation here is extremely high.
If you do not really like the crowds and huddle into the sea of tourists, let’s make a plan for early summer, when tourists have not gathered here much.
Fall in Halong Bay from September to November
Fall is also known as “back-to-school season” in Vietnam, which means all the students have to start the new school year. Therefore, the number of domestic tourists will decrease, and foreign tourists often visit Halong Bay at this time.
The weather gradually gets cooler but sometimes a few storms or light rain might stop you from outdoor activities. If you want to swim in the sea and enjoy nature, autumn is also a great choice thanks to the appropriate temperature. Besides, autumn in Halong Bay also brings a lyrical and romantic beauty, so many couples have chosen this time to travel together or spend their honeymoon here.
Winter in Halong Bay from December to January
The typical kind of weather at wintertime is cold, dry and humid. You will still be able to relax near the ocean at noon, but bathing is difficult because the water temperature will be so cold at this time.

When to Visit Halong Bay – Annual weather
Tourists can also find fog Halong Bay in this time, which brings a mysterious, blurry beauty for this place. The number of tourists this season is so low that you can enjoy the tranquility easily. Winter here is a fishing season, if you are here by this time, it is exciting to witness the fishing process of local fishermen. This will be a great opportunity to learn about the culture and lifestyle of the people in this area.
With four seasons and different characteristics, have you chosen the most suitable time for the upcoming trip to Halong Bay? Whatever the season, this beautiful bay is bound to promise you a memorable experience!