Halong Bay in May: Weather, Activities, Costs & Eco-Tours

May brings a vibrant summer-like energy to Halong Bay, a UNESCO World Heritage Site in Halong Region, Vietnam, offering warm weather, lush scenery, and a festive atmosphere. As the last month of spring transitions into early summer, it’s an excellent time to explore the bay’s 1,600+ limestone karsts, emerald waters, and pristine islands like Titop and Cat Ba, ideal for cruising, kayaking, and swimming. Following Vietnam’s administrative restructuring, Ha Long City has transitioned into Halong Region, yet its global tourism allure remains unmatched, drawing visitors to its natural splendor and cultural events. May’s shoulder season status provides a sweet spot with fewer crowds than peak months and moderate temperatures, perfect for outdoor adventures. Aligned with Quang Ninh’s “Green Tourism” initiative, Halong promotes sustainable exploration through electric boats and community-supported tourism. Legend Travel Group’s eco-friendly tours offer an authentic, responsible way to experience Halong Bay in May—book your adventure via the links throughout this guide!

Legend Travel Group, a leading local tour operator, crafts sustainable Southeast Asia journeys with a focus on environmental and cultural preservation. Our May Halong Bay tours feature eco-friendly transport—electric boats, bicycles, and low-emission shuttles—guided by local experts who share the bay’s legends and heritage. Supporting communities in Halong Region and nearby Hong Gai, we align with Quang Ninh’s sustainability goals. With transparent pricing, free cancellations up to 48 hours before departure, and 24/7 support, we ensure a seamless experience. Contact us at sales@legendtravelgroup.com or WhatsApp +84825862222 to book eco-tours and explore Halong Bay responsibly!

Vietnam’s administrative reorganization has integrated Ha Long City into Halong Region under Quang Ninh Province, enhancing access to Halong Bay’s attractions, including Sung Sot Cave, Tuan Chau Port, and Ba Trai Dao Islet. Supported by sustainable infrastructure—cycling paths, electric ferries, and a VND1.2 trillion coastal preservation project—Halong Region offers seamless exploration of its iconic seascape, making May a vibrant time for eco-conscious travel.

May marks the transition from spring to early summer in Halong Bay, with warm temperatures, moderate humidity, and occasional showers signaling the approach of the rainy season. The bay’s subtropical climate ensures pleasant conditions for most of the month, though checking weather forecasts a few days in advance is advisable due to potential tropical depressions. Sheltered by limestone karsts, Halong Bay minimizes storm impacts, offering safe cruising conditions.

May Weather Details:

• Temperature: 24–32°C (75.2–89.6°F), averaging 28°C (82.4°F). Early May is milder (24–29°C or 75.2–84.2°F), warming to 28–32°C (82.4–89.6°F) by late May.

• Humidity: 75–85%, increasing toward late May.

• Rainfall: 100–200 mm, with occasional short showers, more frequent in late May.

• Sea Conditions: Generally calm, ideal for kayaking and swimming.

• Storms: Rare tropical depressions may bring brief cooler days; mitigated by advanced forecasting and sheltered bays.

Tip: Carry lightweight rain gear ($2–$5 or 50,000–125,000 VND) and SPF 50+ sunscreen ($3–$7 or 75,000–175,000 VND) for May’s warm, occasionally wet conditions, included in our Halong Bay May Explorer ($95–$140).

May’s warm weather and festive events make it a shoulder season gem for Halong Bay, offering a balance of pleasant conditions, fewer crowds, and vibrant activities. Here’s why May stands out, along with costs and eco-friendly options.

Benefits of Visiting in May

• Weather: Warm temperatures (24–32°C or 75.2–89.6°F) and moderate rainfall (100–200 mm) are ideal for eco-cruises ($80–$200 or 2,000,000–5,000,000 VND, electric boat), kayaking in Lan Ha Bay ($10–$20 or 250,000–500,000 VND), and swimming at Titop Island (free entry).

• Cultural Events:

  • Halong Carnival (April–May): Parades, fireworks, and cultural performances along Bai Chay Beach, often extending into early May (free entry).

  • Vesak Day (April–May, lunar calendar): Buddhist celebrations with lantern displays at local temples, adding cultural depth to visits.

• Fewer Crowds: May sees fewer tourists than March–April, ensuring a more relaxed experience at attractions like Sung Sot Cave ($2 or 50,000 VND entry).

• Pros: Pleasant weather, vibrant festivals, ideal for water activities and photography, fewer crowds than peak season.

• Cons: Occasional showers, especially in late May; check weather forecasts; book 1–2 months ahead for festivals ($30–$80/night or 750,000–2,000,000 VND).

• Tip: Plan outdoor activities for early mornings or late afternoons to avoid potential showers, included in our Halong Bay May Explorer ($95–$140).

Comparison with Other Months

• Winter (December–February): Cool and misty (14–23°C or 57.2–73.4°F), low rainfall (<50 mm/month), but cooler weather limits swimming. Tet (January–February) increases costs ($120–$300 or 3,000,000–7,500,000 VND).

• Spring (March–April): Mild (18–30°C or 64.4–86°F), low rainfall (<150 mm/month), but peak season crowds and higher cruise rates ($100–$250 or 2,500,000–6,250,000 VND).

• Summer (June–August): Warm and humid (26–33°C or 78.8–91.4°F), frequent showers (300–500 mm/month). Low-season discounts ($60–$150 or 1,500,000–3,750,000 VND) but unpredictable weather.

• Autumn (September–November): Cool and dry (22–30°C or 71.6–86°F), minimal rainfall (<100 mm/month), and festivals like Mid-Autumn Festival. Cruises cost $80–$200 (2,000,000–5,000,000 VND).

• Best Alternative Months: April for milder weather and fewer showers; September–October for dry conditions and moderate crowds.

May’s warm weather and lush landscapes make it perfect for a range of eco-friendly and water-based activities:

• Eco-Cruise through Halong Bay: Sail past iconic karsts on an electric boat, visiting Sung Sot Cave and Vung Vieng Fishing Village ($80–$200 or 2,000,000–5,000,000 VND).

• Kayaking in Lan Ha Bay: Paddle through serene lagoons and karsts ($10–$20 or 250,000–500,000 VND).

• Swimming at Titop Island: Enjoy clear waters and uncrowded beaches (free entry).

• Squid Fishing: Try night squid fishing, a cultural highlight (included in select cruises).

• Cooking Classes: Learn to make Vietnamese pho or spring rolls on board ($15–$25 or 375,000–625,000 VND).

• Beach Relaxation at Bai Chay: Sunbathe and enjoy beach amenities ($1–$3 or 25,000–75,000 VND).

• Cultural Visits: Explore Cua Van Fishing Village to learn about floating communities ($5 or 125,000 VND entry).

• Photography: Capture Halong Bay’s karsts and lush greenery under May’s vibrant skies.

Tip: Combine a cruise with kayaking and beach visits for a comprehensive May experience, included in our Halong Bay May Explorer ($95–$140).

Halong Bay is accessible via Halong Region, 165 km from Hanoi. Here are the main transport options for May travel:

• Shuttle Bus: Comfortable buses from Hanoi’s Old Quarter to Tuan Chau Port (2.5–3 hours, $10–$15 or 250,000–375,000 VND).

• Private Car: Door-to-door service from Hanoi (2.5 hours, $50–$80 or 1,250,000–2,000,000 VND for 2–4 people).

• Motorbike Rental: Explore Halong Region to cruise ports ($5–$10/day or 125,000–250,000 VND).

• Eco-Cruise: Depart from Tuan Chau Port or Halong International Cruise Port ($80–$200 or 2,000,000–5,000,000 VND, 2D1N).

• Flight to Van Don Airport: From Ho Chi Minh City or Da Nang to Van Don (50 km from Halong Region), then bus/taxi ($5–$15 or 125,000–375,000 VND, 1 hour).

Tip: Book a cruise with Hanoi transfers for convenience, included in our Halong Bay May Discovery ($90–$130).

May’s shoulder season offers moderate rates with sustainable options, balancing cost and comfort. Below are approximate costs for key expenses, ensuring an eco-conscious trip.

• Accommodation:

  • Homestays: $10–$25/night (250,000–625,000 VND), e.g., Halong Bay Homestay.

  • Budget Hotels: $15–$30/night (375,000–750,000 VND).

  • Mid-Range Hotels: $30–$80/night (750,000–2,000,000 VND).

  • Luxury Hotels (e.g., Vinpearl Resort): $80–$150/night (2,000,000–3,750,000 VND).

• Transport:

  • Bicycle Rental: $1–$3/day (25,000–75,000 VND).

  • Motorbike Rental: $5–$10/day (125,000–250,000 VND).

  • Taxi/Grab: $3–$8 (75,000–200,000 VND) within 1–10 km; Bai Chay to Tuan Chau (5 km) $3–$5 (75,000–125,000 VND).

  • Eco-Cruise (2D1N): $80–$200 (2,000,000–5,000,000 VND, 2–4 people).

  • Hanoi to Halong Region (165 km): Shuttle bus $10–$15 (250,000–375,000 VND), private car $50–$80 (1,250,000–2,000,000 VND, 2.5 hours).

• Food and Drinks:

  • Street Food (e.g., Bánh Cuốn, Seafood): $1–$3 (25,000–75,000 VND).

  • Restaurant Meals: $5–$15 (125,000–375,000 VND).

  • Bottled Water/Coconut Juice: $0.50–$1 (12,500–25,000 VND).

• Attractions and Activities:

  • Sung Sot Cave: $2 (50,000 VND entry).

  • Titop Island: Free entry, kayak rental $10–$20 (250,000–500,000 VND).

  • Cua Van Fishing Village: $5 (125,000 VND entry).

  • Cooking Class: $15–$25 (375,000–625,000 VND).

• Total Daily Budget (per person):

  • Budget Traveler: $25–$40 (625,000–1,000,000 VND).

  • Mid-Range Traveler: $50–$100 (1,250,000–2,500,000 VND).

  • Luxury Traveler: $120–$250 (3,000,000–6,250,000 VND).

Tip: Save with eco-homestays and bicycles, included in our Halong Bay May Explorer ($95–$140).

• 1 Day: Suitable for tight schedules, covering a day cruise to Sung Sot Cave and Titop Island ($60–$100 or 1,500,000–2,500,000 VND). Offers a quick glimpse of Halong Bay.

• 2 Days (Highly Recommended): Includes an overnight cruise with kayaking, squid fishing, and cultural visits ($80–$200 or 2,000,000–5,000,000 VND). Perfect for May’s warm weather.

• 3 Days: Ideal for in-depth exploration, including Bai Tu Long or Lan Ha Bay, with extra time for festivals and relaxation ($120–$250 or 3,000,000–6,250,000 VND).

Tip: A 2-day cruise maximizes May’s shoulder-season benefits, included in our Halong Bay May Discovery ($90–$130).

• Book Tours Early: Reserve eco-tours via Legend Travel Group (sales@legendtravelgroup.com, WhatsApp +84825862222) 1–2 months in advance for May’s festivals and to secure preferred cruise dates.

• Packing for May:

  • Lightweight raincoat ($2–$5 or 50,000–125,000 VND), waterproof bag, and umbrella for occasional showers.

  • Lightweight clothing, hat, sunglasses, SPF 50+ sunscreen ($3–$7 or 75,000–175,000 VND).

  • Reusable water bottle and mosquito repellent ($2–$5 or 50,000–125,000 VND).

• Sustainability: Support local vendors at Halong Night Market, use electric boats or bikes, and avoid plastic waste to align with Quang Ninh’s green goals.

• Navigation: Download offline maps (Maps.me) for Halong Region, Bai Chay, and Tuan Chau; save Tuan Chau Port as a landmark.

• Safety: Secure valuables on cruises; wear life jackets while kayaking; check weather forecasts for late May showers.

• Cultural Respect: Dress modestly for cultural sites and festivals (long pants, covered shoulders); say “cảm ơn” (thank you).

• Health: Stay hydrated with bottled water ($0.50 or 12,500 VND); apply mosquito repellent for outdoor activities.

Our sustainable tours offer curated May experiences tailored to Halong Bay’s shoulder-season climate and events:

• Halong Bay May Explorer ($95–$140/person): Overnight cruise to Sung Sot Cave, Titop Island, and kayaking via electric boat. Includes guide, meals, and eco-transfers.

• Halong Bay Foodie Cruise ($85–$120/person): Seafood tasting, cooking class, Bai Chay Beach, and Halong Night Market. Includes eco-transfers, meals, and guide.

• Halong Bay Heritage Cruise ($100–$150/person): Cua Van Fishing Village, Lan Ha Bay, and Vesak Day celebrations (seasonal) via electric boat. Includes lunch and guide.

• Halong Bay May Discovery ($90–$130/person): Tuan Chau Island, Bai Chay Beach, and night market via bicycles. Includes snacks and guide.

• Lan Ha Bay Eco-Tour ($95–$140/person): Kayaking, Lan Ha Bay cruise, and Cat Ba Island visit via electric boat. Includes transfers and guide.

• Quang Ninh Immersion ($250–$400/person, 3–4 days): Halong Bay, Bai Tu Long Bay, and Yen Tu Mountain via mixed eco-transport. Includes meals and activities.

Prices include English-speaking guides, eco-transfers, and entrance fees. Enjoy 10% off for groups of 8+ or seasonal promotions. Book now via links around this page!

May in Halong Bay, a UNESCO World Heritage Site in Quang Ninh Province, offers a vibrant blend of warm weather (25–32°C), lush scenery, and cultural events like the Halong Carnival, making it a shoulder-season gem for exploring, located 160–200 km from Hanoi. Ideal for eco-cruises through emerald waters, kayaking in Lan Ha Bay, and immersing in festivals, May ensures a memorable adventure with fewer crowds than peak months. Legend Travel Group’s Halong Bay Tours combine authentic exploration with sustainable practices, such as low-emission boats and community-led conservation, ensuring a responsible Halong Bay Travel experience through iconic karsts and sites like Sung Sot Cave. Don’t wait—browse our curated May tours and book your eco-friendly adventure today!
Ready to sail through Halong Bay’s emerald waters in May’s vibrant glow? Reserve your eco-tour with Legend Travel Group and immerse yourself in Vietnam’s coastal wonder!‽web:1,2,3

Author Bio: Written by Tony Bùi, with over 20 years of experience in the travel industry, guiding 100,000+ travellers across Southeast Asia. This guide draws from firsthand insights, guest feedback from Legend Travel Group surveys.

Sources:

• Halong Bay Information: vietnam.travel, halongbaytours.com, vietnamtourism.org.vn, localvietnam.com