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Cat Ba National Park, Ha Long Bay

Month guide · Ha Long Bay · Vietnam

Ha Long Bay in August

What August is really like in Ha Long Bay: weather, crowds, prices, events and what to pack.

Updated By the AMZBooking editorial team

Photo: Schwede66, CC BY-SA 3.0

Quick answer

August is a quieter month with trade-offs. Expect average highs of 31°C (88°F), lows of 26°C (79°F), about 18 rainy days and roughly 12.8 hours of daylight. The wettest month and the peak risk of typhoons, when the port authority may suspend sailings at short notice.

Key facts

Average high / low
31°C (88°F) / 26°C (79°F)
Rainy days
About 18
Daylight
About 12.8 hours
Sea temperature
29°C (84°F)
Crowds
Busy
Hotel prices
High

Weather in August

August is the 3rd-warmest month in Ha Long Bay: days average 31°C (88°F) against a yearly average high of 26°C (79°F), and nights fall to about 26°C (79°F). Rain falls on roughly 18 of its 31 days. Compared with July (32°C (90°F)), August is about as warm; by September highs stay near 30°C (86°F).

Sunrise (15 August)
About 05:30
Sunset (15 August)
About 18:21
Daylight
About 12.8 hours
Sea
29°C (84°F)

Summer (June–August). Hot, humid and the warmest water for swimming, but the wettest and busiest season, with typhoons that can stop all boats.

Crowds and prices

On a 1–5 scale, August rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: August is one of the pricier months.

Events in August

August has no major recurring festival in Ha Long Bay, which usually means easier bookings.

What to do in August

With frequent rain, plan around indoor sights and keep outdoor time flexible.

Viewpoint · Central Ha Long Bay

Ti Top Island

Named after the Soviet cosmonaut Gherman Titov, who visited in 1962, Ti Top has a small crescent beach and a stairway of around 400 steps to a summit pavilion.

Time needed
1–1.5 hours
Cost
Low cost
  • Views
  • Active
  • Photo spot
  • Iconic

Landmark · Central Ha Long Bay

Fighting Cocks Islet

Stand on the side of the boat facing the islet before it comes into view; the best angle lasts only a few minutes.

Time needed
15 minutes
Cost
Free
  • Iconic
  • Photo spot
  • Free
  • Views

Experience · Bo Hon Island

Luon Cave kayaking

A low sea tunnel through Bo Hon Island opens into an enclosed lagoon ringed by sheer cliffs, where monkeys are sometimes seen in the trees.

Time needed
45 minutes
Cost
Low cost
  • Active
  • Nature
  • Kids
  • Outdoors

Historic site · Central Ha Long Bay

Cua Van fishing village

Ask your cruise whether the visit includes a rowed boat tour or only a pass-by; the rowed tour gives the better sense of village life.

Time needed
1 hour
Cost
Low cost
  • History
  • Photo spot
  • Outdoors

The sea averages 29°C (84°F) — warm enough to swim. Best beaches near Ha Long Bay.

What to pack

For highs near 31°C, lows near 26°C and 18 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.

Is August a good time to visit Ha Long Bay?

A quieter month with trade-offs. If your dates are flexible, April–May and October–November are better overall. Compare every month.

Ha Long Bay in other months

Questions travellers ask

+Is August a good time to visit Ha Long Bay?

It is a quieter month with trade-offs. The wettest month and the peak risk of typhoons, when the port authority may suspend sailings at short notice.

+How warm is Ha Long Bay in August?

Average highs are around 31°C (88°F) and lows around 26°C (79°F).

+Does it rain a lot in Ha Long Bay in August?

Expect rain on about 18 days of the month, so pack for wet weather.