Best time to visit Ha Long Bay

Find the best time to visit Ha Long Bay and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Ha Long Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Ha Long Bay?

The best time to visit Ha Long Bay is October and November based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 20°C maximum daytime temperature in January in Ha Long Bay20
    Jan
  • 20°C maximum daytime temperature in February in Ha Long Bay20
    Feb
  • 23°C maximum daytime temperature in March in Ha Long Bay23
    Mar
  • 27°C maximum daytime temperature in April in Ha Long Bay27
    Apr
  • 31°C maximum daytime temperature in May in Ha Long Bay31
    May
  • 32°C maximum daytime temperature in June in Ha Long Bay32
    Jun
  • 32°C maximum daytime temperature in July in Ha Long Bay32
    Jul
  • 32°C maximum daytime temperature in August in Ha Long Bay32
    Aug
  • 31°C maximum daytime temperature in September in Ha Long Bay31
    Sep
  • 29°C maximum daytime temperature in October in Ha Long Bay29
    Oct
  • 25°C maximum daytime temperature in November in Ha Long Bay25
    Nov
  • 22°C maximum daytime temperature in December in Ha Long Bay22
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Which is the hottest month in Ha Long Bay?

The hottest time of year in Ha Long Bay is normally July. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Which month has the most rain in Ha Long Bay?

In terms of rainfall, August is usually the wettest month in Ha Long Bay with 312mm on average. There are normally 16 days in August with some rain.

When is it sunniest in Ha Long Bay?

The sunniest time of year in Ha Long Bay is normally September with bright sunshine on average for 51% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Ha Long Bay?

The sea is usually at its warmest in Ha Long Bay in August when the water temperature reaches 30°C.

Best time to visit

The weather guide for Vietnam (Ha Long Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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