Best time to go to Halong Bay Average weather of Halong Bay, Vietnam

Get the very best time to visit Halong Bay in Vietnam from average weather conditions on this page.

When is the best time to go to Halong Bay?

When is the best time to go to Halong Bay? Here's some information to help you in your decision:

  • The best months for good weather in Halong Bay are May, October, November and December
  • On average, the warmest months are May, June, July, August, September and October
  • The rainiest months are July and August
  • The best months for swimming are May, June, July, August, September and October

For full information about the climate and weather in Halong Bay a specific month, click on the corresponding line below:

Month
January 15°C/21°C
34%
February 17°C/23°C
30%
March 20°C/25°C
44%
April 23°C/29°C
45%
May 27°C/32°C
62%
June 28°C/33°C
77%
July 28°C/33°C
82%
August 28°C/34°C
79%
September 27°C/33°C
65%
October 24°C/31°C
35%
November 21°C/27°C
28%
December 17°C/23°C
29%

Weather and climate in Halong Bay

  • Between january and march the climate is okay. The record temperature this month is 34°C and it rains about 44% of the time in march.
  • In april the climate is good. In average, on the morning it is 23°C and it rains in april about 86mm.
  • In the month of may the climate is just OK. the thermometer goes up to 32°C°C and it rains in may about 249mm.
  • In the month of june the climate is not good. The record temperature this month is 37°C and it rains about 372mm each month.
  • In the month of july the climate is very bad. the thermometer goes up to 33°C°C.
  • In the month of august the climate is not good. At lunchtime, it's 33°C in average and you can expect to have 445mm of rainfall/month during this period.
  • In the month of september the climate is just OK. By early evening, the temperature averages 29°C and it rains in september about 261mm.
  • From october to december the climate is good. the thermometer goes up to 23°C°C and it rains in december about 43mm.

Halong Bay : Halong Bay


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Chart: temperature and rainfall in Halong Bay

The chart below allows you to look at the following seasonal norms for the city of Halong Bay: minimum and maximum temperatures, and the monthly volume of precipitation for each month of the year.


Map of Vietnam

Halong Bay appears on the map below with a blue icon. The other cities or locations in Vietnam appear on the map with a black icon. Click for information about the climate.

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