Halong Bay Weather & Temperature: Ultimate Guide
Located in northern Vietnam, Halong Bay weather features a tropical climate with 4 distinctive seasons throughout the year. This comprehensive guide will give you an overview of Halong Bay weather and suggest the most favorite activities to enjoy your trip.
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Halong Bay, a natural complex of over 1,600 limestone islands and islets, is well-known for its aesthetic and geomorphological values that everyone should not miss. Thanks to its unique natural scenery consisting of towering cliffs, picturesque beaches, tranquil fishing villages, and hidden caves, Halong Bay attracts millions of foreign and domestic tourists every year.
Halong Bay Weather Overview
Halong Bay Weather in Spring (February – April)
- The lowest temperature: 18°C
- The highest temperature: 30°C
- Humidity level: 68 – 75%
Marked as a new beginning of the year, springtime has an average temperature rising from 18°C to 27°C; the average humidity fluctuates from 68% to 75% during these months.
As a result, the rainfall level increases gradually from 28 mm (February) to 84 mm (April). Notably, it occasionally appears in the northeast monsoons in March.
Overall, the spring in Halong Bay's climate is enjoyable since it’s not as harshly hot as in summer and not as bitterly cold as in winter.
Blossoming flowers at Halong Bay in springtime
Spring is the second-best time to visit Halong Bay, thanks to the pleasant weather. However, you have to afford a higher price than usual due to the peak season and surcharge for Tet Holiday.
Additionally, it would be best to keep in mind that the warmer weather goes along with a high level of humidity, which means the increased chance of cloudy days will affect your outdoor activities.
What if you’re in Halong Bay on a cloudy and foggy day? Take it easy because Halong Bay looks more charming and picturesque in fog. Somehow Halong Bay is so mysterious and elegant that you can feel the ocean's calm and refreshing air in spring.
Read more: What To Expect In Halong Bay On Spring Days
What are the best things to do in Spring?
- Swimming: April is one of the most beautiful times of the year when you can jump and have a swim in the sea
- Outdoor activities: Enjoy amusing activities such as kayaking, biking, or taking a cruise to behold the breathtaking view of Halong Bay on a clear sky day
- Cave visiting: Explore the majestic caves reborn in spring and marvel at the impressive rock formations in the misty outfits on a foggy day
The majestic caves of Halong Bay are reborn in spring
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Halong Bay Weather in Summer (May – July)
- The lowest temperature: 26°C
- The highest temperature: 38°C
- Humidity level: 75 – 78%
In summer, overheat temperatures of 30°C – 35°C and the highest chance of storms and typhoons. However, the night temperature will drop by 3°C – 4°C in comparison to the daytime.
With rising humidity levels, the rainfall rises rapidly and reaches total precipitation of more than 1,000 mm during the summer months in Halong Bay.
The weather might be harsh in summer, but the wonderful beaches are worthwhile seeing. The typical sweltering months include June and July, while August is replaced by the cooler weather and more frequent wind blow for the upcoming autumn.
Halong Bay is stunningly beautiful in summer
It’s hard to predict Halong Bay weather in summer, then follow the weather forecast 2 weeks ahead of the booking day. Note that summer’s sunny and rainy with the highest intensity over the year. Try to keep the weather not discomfort you easily.
Halong Bay must be charming with crystal clear sky and turquoise water on beautiful summer days. Meanwhile, it also could be turned into thundering storms and typhoons on stormy days.
If you don’t rush in time, keep calm and wait for a few days because these storms don’t last more than 3 – 4 days.
Read more: What To Expect In Halong Bay On Summer Days
Is it the best time to do a cruise in the summer?
Not, due to the peak season for domestic tourists, Halong Bay is bustling with a wide range of water activities like swimming, diving, kayaking, sunbathing, and more. If you’re lucky to visit Halong Bay on nice weather days, take your time to feel the sunlight breaking at dawn or dusk time.
Summer is a perfect time for swimming in Halong Bay
In summer, the possibility of storms and typhoons is much more frequent with heavy rains and strong wind. The fierce sea surface negatively affects outdoor activities and cruise itineraries, which causes postponed and even canceled tours in case of horrible weather.
During this period of the Halong Bay storm, it’s essential to prepare a plan B for alternative amusing activities.
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Halong Bay Weather in Autumn (August – October)
- The lowest temperature: 19°C
- The highest temperature: 33°C
- Humidity level: 70 – 72%
Autumn is the most enjoyable time to soak up the comfortable climate in Halong Bay. The average temperature varies from 23°C – 27°C, so you can enjoy the sunshine, which is not as extreme as in the summer.
There might be light rain in September, but rainfall will decrease significantly due to low humidity levels in October and November. On the last days of October, the northeastern monsoon may occur.
Contemplate the beauty of Halong Bay on a cruise in autumn time
The best time to visit Halong Bay is in autumn when you can minimize the risk of extreme weather and immerse yourself in beautiful sunshine, clear crystal sky, and breezy weather.
Nothing’s better than admiring the natural beauty when the rainy season in Halong Bay is over. It’s such a magical time in the middle and late autumn that everyone will fall in love with the perfect harmony of the natural masterpiece.
Read more: What To Expect In Halong Bay In Autumn
Top things to do in autumn
- Outdoor activities: You will be welcomed to all outdoor activities, including swimming, kayaking, cycling, and rock climbing. Besides, there is a hiking place in Cat Ba National Park for hikers.
- Cruising: Booking a Halong overnight cruise will feast your eyes on the awe-inspiring scenery of the bay. Let’s put your feet up and enjoy on-deck activities.
- Squid fishing: You can arrange with cruise lines to experience squid fishing onboard on a starry night. By the way, Halong is famous for grilled chopped squids, so why don’t you sip a cup of beer and chew hot grilled squids on your trip?
Tai Chi exercise is a widely popular activity onboard
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Halong Bay Weather in Winter (November – January)
- The lowest temperature: 12°C
- The highest temperature: 23°C
- Humidity level: 65 – 69%
In contrast to high temperatures in summer, wintertime in Halong Bay is quite cold, with average temperatures of around 16°C – 18°C. Without sunlight on most winter days, you’ll see fog and drizzle in the morning and late afternoon.
December, the second driest month, is a fresh start described as mild and dry with only 29 mm precipitation per month. Coming to January, the true winter month, the temperature declines by a few degrees and the amount of sunshine time falls to 4 hours.
The foggy Halong Bay in the wintertime
The weather is so easing and humble that it’s regretted to ignore the tranquil creature of Halong Bay in winter, the most fantastic time for leisure travel.
Read more: What To Expect In Halong Bay In Winter
Things to do in Halong weather on winter days
- Hiking: From the top view, you’ll have an opportunity to behold a mystical Halong Bay, where limestone cliffs nestled under meek fog, and the boats go back and forth endlessly
- Inland activities: It’s time to join activities like having a barbecue, visiting local villages, shopping at local markets, and tasting Halong's specialties
- Cruising: Outstandingly, come and indulge yourself in a hot tub on the Halong Bay cruise for wintertime
Visit a local village in Halong Bay on winter days
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Halong Bay Weather by Month
Each month Halong Bay welcomes many tourists with various activities and rewarding weather. Check out our detailed guide on Halong Bay weather every month below!
Best Weather to visit Halong Bay
If the weather is the most important factor to consider, you should travel during the spring and autumn seasons. The weather is pleasant during the two seasons, with clear skies and calm water conditions that allow various water activities.
In spring, there is a drizzle that brings about cool weather. It is a great time to go on an overnight cruise and kayak to discover the caves and grottos from a closer view.
Meanwhile, autumn is perfect for adventure lovers, who usually go trekking and scuba diving. Compared to the previous months, the low chance of rainfall makes it a popular time for foreigners to explore Halong Bay.
For more information, check out Best Time to Visit Halong Bay for Perfect Weather & Great Deals
Considering all four seasons, which one is your favorite weather in Halong Bay? Anyway, visiting Halong Bay is worthwhile every month and depends on how you take advantage of its weather. Don't forget to find the best Halong Bay tour from Hanoi to enjoy your trip; BestPrice Travel is one of the reputable agencies for a cruise and tour package in Halong, which always offers great deals and the best support.
You may also like The Best Time to Visit Hanoi and Halong Bay
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