Halong Bay Weather in March: Best Time to Visit?

March Weather Chart

🔴 : Good Weather

🌩: Low Chance Of Storm

👤: Crowded

$$$: Higer Cost

Average Temperature:

• Highest: 24°C (75.2°F)
• Lowest: 17°C (62.6°F)
• March is often regarded as one of the best months to visit Halong Bay, thanks to its ideal mix of mild warmth and dry weather. The Halong Bay weather in March signals the arrival of spring, with average daytime temperatures ranging from 18°C to 23°C. Highs can reach 24°C on sunny days, while evenings cool down to approximately 17°C. This comfortable weather makes March perfect for outdoor exploration, cruising, and water activities.

Humidity: 85%

Humidity levels remain moderate, at 75%-85%, ensuring fresh air and pleasant breezes across the bay.

Rainfall: 15-30mm per month 

Rainfall in March is minimal, with an average of 15-30mm spread over 6-10 rainy days, mostly light drizzles that don’t disrupt travel plans.

Average hours of sunshine per day: 6-8 hours

Sunshine hours increase to about 6-8 hours daily, a stark improvement compared to winter months, allowing plenty of time to explore Halong Bay’s majestic limestone karsts and emerald waters

Chance of Storms: Low Chance Of Storm 

Halong Bay weather in March offers mild warmth and dry conditions, perfect for cruising, kayaking, swimming, and cave exploration.

It’s an ideal time to enjoy the bay’s unmatched beauty.

Pros:

• Transition to spring with mild weather: March sees warmer temperatures (18–24°C), with light sunshine and calmer waters. It’s ideal for cruising, exploring caves, and enjoying panoramic views without the summer heat.
• Lush scenery: Spring greenery starts to flourish, making Halong’s islands and cliffs even more photogenic. Morning mist often lifts by mid-morning, revealing crisp views and ideal light for photography.
  
• Comfortable for all ages: The mild climate makes this a great time for both elderly travelers and families with children.
  

Cons:

• Occasional drizzle: While rain isn’t heavy, March can bring some light, lingering drizzle or fog in the morning – affecting visibility for seaplane tours or mountaintop views.
• Rising crowds: With pleasant weather and the return of international visitors, cruise and hotel demand starts to pick up – early bookings are recommended.

No national holidays

March doesn’t feature any public holidays in Vietnam, which means fewer domestic tourists and more steady pricing during weekdays.

Yen Tu Festival (Quang Ninh)

Just outside Halong, this important spring Buddhist pilgrimage typically continues into March, offering a rich cultural experience for spiritual travelers.

Packing smartly for Halong Bay weather in March ensures a comfortable and enjoyable trip. The spring temperatures call for light layers and versatile clothing that can adapt to the changing conditions throughout the day.

For daytime

Daytime temperatures are mild and perfect for sightseeing or outdoor adventures. Wear:

• T-shirts or lightweight tops for comfort during warm hours.
• Long-sleeve shirts for sun protection without overheating.
• Comfortable pants or shorts depending on the activity.
• A light jacket or windbreaker for breezy mornings.

For evenings

Evenings can be cooler due to the lower temperatures and humidity. Pack:

• A sweater or fleece jacket for added warmth.
• Long trousers or jeans to stay cozy after sunset.
• A scarf or shawl to wrap up comfortably during nighttime cruises.

For water activities

March is a great time for water activities like kayaking, swimming, or snorkeling in Halong Bay’s warm waters. Consider bringing:

• Quick-drying swimwear or moisture-wicking tops suitable for Halong Bay weather in March.
• Water-resistant sandals or shoes for boarding boats.
• A lightweight waterproof jacket to stay dry in case of occasional drizzle.