[Updated 2025] Halong Bay Weather and Temperature in January

Features of Halong Bay Weather & Temperature

Ha Long Bay weather in January is characterized by cool, dry days and gentle sunshine - ideal for sightseeing and cruising through the majestic limestone formations. This time of year reveals a calm, misty beauty, turning the bay into a serene winter landscape. As one of Vietnam’s top natural attractions, Ha Long Bay offers a peaceful escape with fewer tourists and breathtaking views. Here's a detailed look at the Halong Bay weather in January:

Average temperature (day & night)

Halong Bay temperature in January is generally mild and refreshing, with average temperatures around 17°C. While it can get as cool as 12°C at night, daytime highs typically reach up to 19°C. Compared to the colder inland cities and the northern mountainous regions of Vietnam, Halong Bay offers a more pleasant and stable winter climate. The weather can be a bit chilly in the early morning and late afternoon, but overall it remains mild and pleasant, ideal for outdoor sightseeing and relaxation.

If you need to check the most recent weather conditions in Hanoi, please refer to the 7-day forecast table below:

Rainfall statistics

Halong Bay in January is known for its exceptionally dry conditions, receiving just around 15 - 20mm of rainfall throughout the month. Drizzle may occur on only a few days, but the skies remain mostly clear. As part of northern Vietnam’s dry season, the low humidity - averaging around 65% - adds to the comfort, making this a perfect time for outdoor exploration and scenic cruises in the bay.

Humidity levels

January brings dry, pleasant weather to Halong Bay, making it an excellent time to visit. With average humidity at 65%, far below the yearly 90%, the air feels crisp and refreshing. These ideal conditions allow for clearer views of the bay’s iconic limestone karsts and scenic seascape.

Air quality and UV index

January in Halong Bay brings a refreshing atmosphere, with air quality ranging from good to moderate. The Air Quality Index (AQI) typically falls between 33 and 56, meaning the air is generally clean and safe for most travelers. Meanwhile, the UV index averages around 4, a moderate level that may require basic sun protection during midday hours.

Typical weather patterns

January in Halong Bay is shaped by the influence of the northeast monsoon, bringing cool, dry air and steady northeasterly winds averaging 10 - 15 km/h. At times, wind speeds may rise to 20 - 25 km/h, causing choppy conditions in open waters. Fortunately, the bay’s limestone islets act as natural barriers, keeping many areas calm and navigable. Occasionally, cold fronts from China sweep through, dropping temperatures sharply to as low as 8°C. These brief but intense spells of cold typically last 2 - 3 days and can make the air feel especially brisk, particularly noticeable on the water. 

Is January Ideal for a Halong Bay Trip?

For those seeking a peaceful escape surrounded by breathtaking scenery, January is a perfect time to visit Ha Long Bay. Ha Long Bay weather in January is characterized by cool, crisp air, low humidity around 65%, and clear skies. Morning mists often drift across the calm waters, creating a serene and dreamlike atmosphere that’s hard to find at any other time of year.

The weather is generally dry and stable, making this an excellent month for cruising, kayaking, or simply admiring the limestone formations that rise majestically from the bay. Rain is rare, and disruptions to tours are minimal. Adding to the charm is the festive spirit leading up to Lunar New Year, offering visitors a vibrant look into local customs and colorful decorations throughout the region.

Despite its appeal, January may not be ideal for everyone. Cold spells can cause temperatures to dip below 8°C (46°F), which may feel uncomfortable for beach lovers or families with young children. The sea remains too chilly for swimming, and shorter daylight hours limit the time available for outdoor activities. Additionally, this is a peak travel period for international tourists, so expect larger crowds and possibly higher prices.

In summary, if you appreciate peaceful winter landscapes, refreshing weather, and cultural experiences, January is a wonderful time to explore Ha Long Bay. Just be prepared for cooler temperatures and a bit more company than usual.

Don’t Miss These January Festivals in Halong Bay

Ha Long Bay in January offers more than just cool breezes and scenic views; it’s also a great time to catch two festive celebrations that bring vibrant energy and cultural richness to your trip.

International New Year (January 1st)

As the world welcomes the start of a new year, Ha Long Bay joins the celebration with holiday-themed cruises. Many boats are decked out in festive decor, offering countdown parties, live music, and special dining experiences. The period overlaps with the Western winter holiday season, so travelers can often find exclusive cruise promotions. For many, ringing in the New Year while gliding past the limestone islands becomes a once-in-a-lifetime memory.

A cruise creates an unforgettable experience for many travelers at Christmas & New Year's

Vietnamese Lunar New Year (Tet)

Occurring in late January or early February, Tet is Vietnam’s most important holiday. In 2025, Tet falls between January 27 and February 2. During this time, the local atmosphere becomes joyful and vibrant, filled with traditional customs, colorful decorations, and symbolic foods. Though some businesses may close, cruise tours often remain available, and even more special. Onboard, guests can enjoy seasonal dishes like Banh Chung and Nem Ran, watch cultural performances, and feel the deep-rooted spirit of Vietnamese family celebration.

Capella Cruise staff in Ao Dai - traditional Vietnamese costume

Must-Do Experiences for Halong Bay in January

Swimming

• Best for: People living in cold places

Swimming in January is not for everyone, especially for those who are not used to the cold weather, with the average temperature of the sea at 21°C. However, this month offers a unique experience with fewer crowds at popular beaches like Titop and Bai Trai Dao, where the water is crystal clear and the sand is soft and white. The cooler weather is refreshing, making the beach a tranquil escape. After swimming, tourists can unwind on the beach, enjoying the sun and fresh air.

Before the swim, you need to warm up with some movements. Stop swimming when you feel numb in your toes and fingers, dry yourself immediately with a towel, and wear warm clothes after getting out of the water.

Swimming in January is possible, but it can be quite cold for some people

Taking a cruise tour

• Best for: Relaxation lovers, Experience seekers

Relaxing on the sunbeds of the cruise's sundeck in Halong Bay, the Weather in January offers a serene escape, surrounded by the bay's stunning beauty. While soaking up the sun, sipping delicious cocktails, and admiring breathtaking panoramic views in cooler temperatures, you can enjoy a more intimate atmosphere with fewer crowds of domestic travelers.

Regarding indoor activities, you can join a cooking class to learn how to make fresh Vietnamese spring rolls, enjoy a tea ceremony in the evening, or rejuvenate your body and mind through a massage treatment. If you are into a unique experience, try kayaking along the beautiful limestone caves - a must-do experience on many Halong Bay itineraries.

Cruise through the emerald waters and towering limestone cliffs in Halong Bay

Sightseeing by seaplane

• Best for: Luxury tourists, Active travelers

If you are an active traveler, do not miss the chance to try exploring the beauty of Halong Bay by seaplane in January, when the weather is ideal for flying, offering stunning panoramic views of the limestone karsts and emerald waters. The clear skies and calm seas create the perfect conditions for a truly amazing aerial adventure.

 A seaplane offers a stunning bird’s-eye view of Halong Bay

Traveling by seaplane allows you to have a glimpse of the heritage from above through thousands of unique limestone islands and emerald water, making it an unforgettable experience. Contact BestPrice Travel's consultants today for more information and exclusive deals.

Enjoy Traditional Dishes

• Best for: Food lovers who want to experience the authentic flavors of Vietnam.

As the Lunar New Year approaches, some cruises offer special Vietnamese dishes, including the iconic Banh Chung, found only at this time. However, the availability of such delicacies depends on each cruise's tour plan. 

Banh Chung boasts a delightful combination of flavors: the chewy sweetness of sticky rice, the rich creaminess of mung beans and pork, and a subtle balance of saltiness and sweetness, all wrapped in the fragrant aroma of Dong Leaves. Enjoying Banh Chung offers a unique experience for international visitors, introducing them to a cherished Vietnamese tradition.

Banh Chung is a symbol of Vietnamese culture and family traditions

Enjoy Art Performances

• Best for: Those passionate about entertainment and keen on local art experiences

Guests can enjoy various artistic performances, such as traditional music, or just chill out with soothing background music in the cruise’s cozy ambiance. Some ships, like the Heritage Cruise Binh Chuan, offer traditional music during dinner, while the Ambassador Cruise and Paradise Grand Cruise provide more contemporary musical entertainment.

Immerse yourself in the calming music within the cozy atmosphere of the cruise

Explore Local Markets in Halong

• Best for: Authentic cultural explorers

Wander through bustling markets like Ha Long Night Market, where you can find local seafood, handmade souvenirs, snacks, and clothing. January evenings are cool and lively, perfect for experiencing the local rhythm and enjoying delicious street food. It’s a great way to meet locals, pick up Tet gifts, and discover regional specialties such as squid cakes. 

Strolling through the lively Ha Long Night Market in January

Chill in “Mini Dalat” Cafes of Halong

• Best for: Instagrammers, café lovers, and couples

Hidden among the hills and quiet neighborhoods are charming cafés that feel like a slice of Dalat - cool breezes, vintage architecture, and flower gardens. Top picks include The 1984 Coffee, Nang Coffee & Tea, and La Luna. Perfect for a cozy morning or quiet afternoon after sightseeing. Bring a book, enjoy a warm drink, and let Halong’s unexpected café culture surprise you.

Pretty café space in Halong Bay, takes the resemblance of Dalat.

Local Travel Tips for Visiting Halong Bay in January

Visiting Ha Long Bay in January offers a unique and peaceful experience. With cool temperatures, light morning fog, and fewer tourists, it’s an ideal time for sightseeing and relaxation. Here are essential tips to help you prepare for your trip:

Planning and Booking Advice

• Book early: January is part of the high season due to pleasant weather and the approach of Tet (Vietnamese Lunar New Year). Cruises and hotels can fill up quickly.
• Read booking terms carefully: Some services may add surcharges during holidays. Clarify prices in advance to avoid unexpected costs.
• Check the weather before activities: While the weather is generally dry and cool, occasional drizzle or strong winds may affect kayaking or cave visits.
• Consider a visit to Yen Tu: Just over an hour from Ha Long, Yen Tu is a renowned spiritual site featuring scenic mountains and pagodas. January is a lively time to explore Vietnamese culture as pilgrims begin gathering ahead of Tet.

What to Pack

• Layered clothing: Temperatures can be chilly, especially in the early morning and evening. Pack light sweaters, jackets, or hoodies to stay comfortable during boat rides and outdoor excursions.
• Waterproof jacket or raincoat: While January sees little rainfall, it's best to be prepared for occasional showers, especially if you're joining a cruise or visiting caves.
• Insect repellent: Some cave areas and coastal forests may have mosquitoes, especially in humid spots. Bring insect repellent to stay protected.
• Comfortable footwear: Wear supportive shoes for climbing cave steps or hiking on islands, and bring flip-flops or sandals for the beach or boat deck.
• Swimwear and sunscreen: On sunny days, you may still enjoy kayaking or swimming. Don't forget to pack swimwear and sun protection.
• Camera or smartphone: The morning mist creates a magical atmosphere across the limestone cliffs - perfect for capturing stunning photos.

Experience Highlights

• Enjoy the morning mist: Early mornings in January often feature a soft fog that gives the bay a mystical appearance. It’s one of the best times for photography.
• Taste local specialties: Don’t miss Ha Long’s famous squid cake (Cha Muc), best enjoyed at night markets or traditional seafood restaurants.
• Visit less crowded caves: Consider exploring hidden gems like Trinh Nu Cave or Luon Cave. These spots are typically quieter and allow for a more relaxed experience.

Ideal Travel Itinerary for Ha Long Bay in January

January is a beautiful time to visit, with cool weather ideal for sightseeing, relaxation, and light exploration. However, it's not the best season for swimming.

2 Day 1 Night Ha Long Bay Itinerary (Includes a 4-Hour Cruise Tour)

Day 1: Depart from Hanoi – Explore Ha Long Bay (4-Hour Cruise Tour)

In the morning, depart from Hanoi with a scenic drive to Ha Long City, taking around 3 to 3.5 hours. Upon arrival, enjoy a delicious seafood lunch at a local restaurant, offering the fresh flavors of the sea.

In the afternoon, embark on a 4-hour cruise across the magnificent limestone seascape of Ha Long Bay. Discover the mystical beauty of Thien Cung (Heavenly Palace Cave) or Dau Go (Wooden Stakes Cave), each filled with dramatic stalactites and legends. If the weather is favorable, try kayaking and take in the serene beauty of the bay while capturing stunning photos.

As the evening falls, check into a seaside hotel or resort and unwind. Later, explore Ha Long Night Market at your own pace and enjoy dinner with local specialties — don’t miss out on trying the famous squid cake “cha muc”.

Day 2:  Leisurely Morning – Return to Hanoi

After breakfast, enjoy a relaxed morning with optional visits to Sun World Complex for some fun or the Quang Ninh Museum, known for its impressive architecture and cultural exhibitions (weather permitting). Enjoy a final lunch in Ha Long before heading back to Hanoi in the afternoon, concluding a short yet memorable coastal escape.

Let's explore Halong Bay on an engaging day trip now!

3 Day 2 Night Ha Long Bay Itinerary (Including 1 Night on a Cruise)

This 3-day-2-night itinerary offers a perfect blend of one night spent cruising through a natural wonder and another night relaxing at a coastal retreat.

Day 1: Hanoi – Halong Bay – Embark on an Overnight Cruise

In the morning, a shuttle departs from Hanoi for Halong Bay. Upon arrival at noon, guests board a 4–5-star cruise and enjoy a gourmet lunch while sailing through the stunning landscapes of Halong – Bai Tu Long or Halong – Lan Ha Bay (depending on the cruise route).

In the afternoon, guests explore famous caves such as Sung Sot, Thien Canh Son, or Tra Bau, and enjoy kayaking or visiting traditional floating villages (depending on the itinerary).

In the evening, after a delightful dinner on board, guests can join a Vietnamese cooking class, try squid fishing, or simply relax on the sundeck under the tranquil night sky of the bay.

Day 2: Cruise – Return to Shore – Coastal Retreat

Start the day with a Tai Chi session in the soft morning mist, followed by a visit to a small cave or fishing village by bamboo boat. After lunch and check-out, guests disembark and return to shore.

In the afternoon, check in at a beachfront resort or hotel and unwind in a peaceful setting. The evening is free for exploring local cuisine or enjoying the resort’s amenities.

Day 3: Explore Halong City – Return to Hanoi

After breakfast, guests can visit Sun World Halong Park or the Quang Ninh Museum. Around noon, enjoy local specialties at a nearby restaurant and shop for souvenirs. In the afternoon, depart for Hanoi, concluding a memorable journey.

FAQs about Ha Long Bay weather in January

1. Is January a busy tourist season in Halong Bay?

January is a busy time with lots of foreign tourists due to the nice weather and holidays like Christmas and New Year. During this month, domestic tourists are fewer, leading to many deals available for international visitors.

2. Should I prepare anything special for a trip to Halong Bay in January?

You should bring warm clothes and essential personal belongings. Besides, it is best to book your tour in advance and be aware that some services may be limited due to holidays.

3. What outdoor activities are suitable for January’s weather?

During your visit to Halong Bay, you can embark on cruise tours, explore caves and islands, or stroll along the beach. Just remember to carry warm clothes and have a look at the weather forecast before you head out.

Ha Long Bay weather in January brings a tranquil charm with its crisp air, soft sunlight, and peaceful seas, perfect for a relaxing escape. The calm atmosphere and breathtaking scenery create unforgettable moments that linger in your heart. Plan ahead and book your cruise today with BestPrice Travel to fully embrace this serene season in Ha Long Bay.

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Image sources: Internet