Halong Bay Weather in December: Winter Charm

December brings a magical charm to Halong Bay with its cool, crisp, and dry weather.

The Halong Bay weather in December is ideal for exploring limestone karsts, kayaking through calm lagoons, and experiencing festive celebrations such as Christmas and New Year.

From indulging in warm seafood hotpot to stargazing on a luxurious overnight cruise, December offers the perfect combination of tranquility, adventure, and seasonal cheer in one of Vietnam’s most iconic destinations.

December Weather Chart

🔴 : Good Weather

🌩: Low Chance Of Storm

👤: Crowded

$: Higher Cost

Average Temperature:

• Highest: 22°C (71.6°F)
• Lowest: 14°C (57.2°F)
• The Halong Bay weather in December transforms the region into a peaceful winter retreat. Daytime temperatures range from 18°C to 22°C, perfect for outdoor explorations under soft winter sunlight. Evenings cool to 14°C to 16°C, offering refreshing conditions for nighttime activities.

Humidity: 73%

Clear skies and low humidity levels enhance the beauty of Halong Bay, providing stunning views of its limestone formations and emerald waters.

Rainfall: 15-25 mm per month 

Rainfall in December is minimal, with averages between 15-25 mm, making it one of the driest months of the year.

Average hours of sunshine per day: 6-7 hours

Chance of Storms: Low Chance Of Storm 

This cool and calm winter weather is ideal for cruises, sightseeing, and cultural experiences, ensuring visitors can fully enjoy the bay’s natural and festive atmosphere.

Pros:

• Start of the peak season with festive vibes: December marks the beginning of Halong Bay’s international high season. The cool, dry weather and year-end celebrations attract travelers from across the globe, making it an exciting time to visit.
• Comfortable, dry climate: Unlike the humid summer months, December brings dry air, minimal rainfall, and comfortable daytime temperatures. Although the mornings may be misty and the sun sets earlier, the crisp winter air adds a magical feel to the bay’s landscape.
  
• Peaceful, scenic atmosphere: The combination of gentle fog in the early mornings, glassy waters, and fewer daylight hours creates a dreamlike setting. This is a great time for photography or simply enjoying the mystical beauty of the limestone karsts.
  
• Rich festive experiences on cruises: Many cruise operators embrace the holiday spirit with Christmas and New Year-themed décor, gala dinners, and cultural performances. It’s a unique way to celebrate the holidays – floating in one of the world’s natural wonders.
  

Cons:

• Shorter daylight hours: December has fewer daylight hours than other months, meaning less time for outdoor exploration. Activities and excursions may end earlier than usual, so plan accordingly.
  
• Cold water – not ideal for swimming: The sea temperature drops significantly in December, making swimming and most water-based activities less appealing. However, kayaking or boat tours are still possible and enjoyable.
  
• Higher prices and limited availability: Due to the international peak season, hotel and cruise prices tend to rise, especially around Christmas and New Year. Booking in advance is essential to secure your preferred schedule and services.

   

Christmas (December 25)

While not an official public holiday in Vietnam, Christmas is widely celebrated, especially in tourist-friendly destinations like Halong Bay. Cruises and hotels often host festive dinners and events.

New Year’s Eve (December 31)

The lead-up to New Year’s Day is lively, with many cruises offering special countdown parties and performances. It’s a popular time for foreign tourists, so expect more vibrant crowds.

No official Vietnamese public holiday

December does not include a public holiday under the Vietnamese national calendar, but international holidays such as Christmas and New Year are widely observed in tourist services.

Packing for Halong Bay weather in December requires a mix of lightweight and warm layers to adapt to the mild winter climate. Dressing appropriately ensures a comfortable and enjoyable experience throughout your December journey.

For daytime

• Long-sleeved shirts or light sweaters for sunny afternoons.
• Jeans or comfortable trousers for casual exploration.

For evenings

• A warm jacket, fleece, or woolen sweater to stay cozy during chilly nights.
• Scarves and gloves for added warmth, especially during nighttime boat trips.
• Closed-toe shoes or boots to keep feet comfortable and warm.

For water activities

• Quick-drying swimwear for kayaking or other sheltered water activities.
• Waterproof shoes with grip to safely board boats.
• A windproof jacket for breezy conditions while enjoying the cool Halong Bay weather in December.

The Halong Bay weather in December combines cool temperatures, minimal rainfall, and clear skies, creating the ideal conditions for winter adventures.

From cruising through tranquil waters to exploring cultural gems like floating villages and Sung Sot Cave, December offers a perfect mix of relaxation and celebration.