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 33°C with extreme 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 297mm on average. There are normally 17 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 48% of daylight hours; that's 6 hours of sunshine per day.

Best time to visit Ha Long Bay

Q: When is the best time to visit Ha Long Bay?

The best time to visit Ha Long Bay, Vietnam is in July Daily hours of sunshine = 8 hours or more.

The best time to visit Ha Long Bay, Vietnam is in July based on our default weather conditions. Update your weather preferences to see which months best match.

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, Vietnam is in July when you can expect the following average weather conditions.

Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
0.5
Feb
1.5
Mar
2.5
Apr
4
May
4
Jun
4.5
Jul
4
Aug
4
Sep
4
Oct
3
Nov
2.5
Dec

Change criteria

Hours of Sunshine (daily)

3
Jan
2
Feb
3
Mar
4
Apr
6
May
6
Jun
7
Jul
6
Aug
6
Sep
6
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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)