Ha Long Bay is a stunning UNESCO World Heritage site known for its emerald waters and thousands of limestone islands topped with rainforests. Ideal for nature lovers and adventure seekers, it offers breathtaking cruises, kayaking, and cave explorations.
When to go
Visit from October to April for cooler, drier weather and calm seas. Expect heavy rain and hot, humid conditions from May to September, with possible typhoons and fewer tourists.
Jan
19° · 44 mm rain
cool and dry
Feb
20° · 44 mm rain
pleasant weather
Mar
23° · 38 mm rain
warming up
Apr
27° · 71 mm rain
start of rain
May
29° · 176 mm rain
hot and rainy
Jun
31° · 237 mm rain
Not ideal
Jul
31° · 348 mm rain
peak rain season
Aug
31° · 448 mm rain
heaviest rain
Sep
30° · 368 mm rain
still very wet
Oct
28° · 175 mm rain
rain easing
Nov
25° · 45 mm rain
cooler, drier
Dec
21° · 19 mm rain
dry and mild
Best timeGoodQuieterNot ideal
Average daily high and monthly rain over the last ten years, from weather records by Open-Meteo
Top things to do
Cruise Ha Long Bay
Explore limestone karsts and caves by boat; book overnight cruises.
Sung Sot Cave
Largest cave in the bay with impressive stalactites; bring good shoes.
Ti Top Island
Beach and panoramic views; climb the hill for stunning photos.
Kayaking
Paddle through calm waters and hidden lagoons; rentals widely available.
Floating Villages
Visit fishing communities to experience local life and culture.
Cat Ba Island
National park hiking and beaches; less crowded than main bay.
Food to try
Seafood on Tuan Chau Island
Fresh catches grilled or steamed, try squid and crab.
Bánh cuốn
Steamed rice rolls with pork and mushrooms, a local breakfast.
Chả mực
Fried squid cakes, a Ha Long specialty.
Ha Long Night Market
Street food stalls with local snacks and drinks.
Where to stay
- Bai Chay: Tourist hub with hotels and nightlife, good for first-timers.
- Hon Gai: Local town vibe, budget stays and authentic markets.
- Cat Ba Island: Nature-focused, ideal for hiking and quieter beaches.
Getting around
From Cat Bi Airport, take a taxi (~15 USD) to Ha Long city. Boats and ferries connect islands; local buses and taxis available, fares under 5 USD.
Good to know
- Carry cash; few places accept cards.
- Beware of overpriced boat tours; book through reputable agents.
- Respect local customs; dress modestly in villages.
Emergency numbers
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Plan a trip to Ha Long BayWritten with AI on October 7, 2026 and refreshed every month. Check opening times, prices and entry rules before you go.