Ha Long Bay in May – Weather, Prices & Travel Tips

Halong Bay is hot and humid in May — May marks the onset of summer in Ha Long Bay, bringing warmer temperatures that typically range from 25°C to 30°C.

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What is Ha Long Bay like in May?

May is considered the start of summer in northern Vietnam, and it marks the transition between spring and rainy season. If you enjoy warm weather, bright skies, and fewer crowds compared to peak summer (June–August), May is a sweet spot.

🔹 Quick Overview:

Temperature: 27–34°C (hot but not yet scorching)
Humidity: Increasing (~70–80%)
Rainfall: Light showers begin (approx. 150mm/month)
Sea conditions: Generally calm, warm enough for swimming
Tourist flow: Moderate, fewer local tourists than summer holidays

💡 Best for: Active travelers, photographers, early-summer cruise lovers

📌 Related guide:

Summer Adventures: Discover the Beauty of Ha Long Bay! — Ha Long Bay in Summer: A Paradise for Adventure Seekers! (Source: Collected)

Weather in Ha Long Bay in May

Factor	Details
Temperature	27–34°C (hot days, mild nights)
Humidity	75–85%
Rainfall	~10 rainy days/month
Sea conditions	Calm, excellent for kayaking
Sunrise/Sunset	Sunrise ~5:15 AM, Sunset ~6:20 PM

Expect longer days, golden light for photography, and early morning mists clearing quickly. If you’re lucky, you’ll catch a few rain-free, breezy days—perfect for sunrise deck yoga or sunset cocktails.

👉 Explore more: Best time to visit Ha Long Bay

Photographer's Paradise: Ha Long Bay's Stunning Summer Sunsets! — The summer sunset on Ha Long Bay is the best time for photographers. (Source: Collected)

Is May a good Month for cruising?

Yes — May is one of the most underrated times to explore Ha Long Bay. It offers:

Fewer tourists than peak June–August
Lower cruise prices than winter high season
Warm waters for kayaking & swimming
Blossoming islands & fresh seafood dishes

titop-island-location — Ti Top Island is a favorite among travelers on Ha Long Bay cruises. (Source: Collected)

That said, be aware of:

❗ Start of the rainy season – light showers are common

❗ High UV index – bring sunscreen and cover-ups

📌 Related guide:

Discover the Magic of Lan Ha Bay: A Sunset Fairyland Awaits! — Ha Long Bay: Where Sunset Transforms the Landscape into a Dreamlike Paradise! (Source: Collected)

Cruise Prices & Best Deals in May

Because May is shoulder season, prices are moderate — and many operators offer early-summer promotions.

Cruise Type	Avg. Price (2D1N/pax)	Notes
Budget Cruise	~$130–150	Ideal for students/backpackers
Mid-range Cruise	~$160–190	Balcony rooms, better meals
Luxury Cruise	~$200–300	Discounts up to 15% in May

💡 Pro Tip: Book 2–4 weeks in advance for better cabins and cancellation policies.

📌 Suggested Deals:

Opt for a 2-day, 1-night cruise for a full experience without a long trip extension. — Pick the 2-day, 1-night cruise for an immersive trip without extending your travel time. (Source: Collected)

Is May right for your travel style?

Traveler Type	Why May Is a Good Fit
Couples	Fewer tourists = romantic, private experience
Photographers	Golden light, lush green scenery
Families	Calm weather, but avoid late May (school holidays)
Budget Travelers	Cheaper than peak season, no compromise on beauty