Planning a trip is not just about searching about the must-visit destinations and then booking tours. There are more for you to take into consideration to well prepare for a perfect journey: you need to care about time, itinerary, accommodation, budget, etc. And the weather is the determining factor that would decide the success and completion of your trip, thus needing to be paid huge attention. The following Halong Bay cruise advice would give you a brief insight into the weather of Halong Bay in different times in a year.

There is no right or wrong time to travel to Halong Bay as it depends on the experience you expect to get. The beauty of Halong varies in seasons, yet it can still easily leave you in awe.

Similar to other tourist attractions in Northeast Vietnam, Halong Bay experiences distinct winter and summer seasons. The cool but mostly dry winter lasts from November to April with the average temperature of 17-22°C. The coldest months are between January and March when it is too freezing to swim with the coldest months being January – March.

Between May and October can be called summer in Halong Bay when it is hot and humid and the region experiences its highest volume of rain. There might expect to be some severe weather conditions, which would prevent sailing and kayaking.

Between October and December is when the number of travelers booking a Halong Bay cruise reaches its peak. The temperature continues to drop, as does the rainfall. The weather is extraordinarily pleasant: it is cool, dry, and the visibility is high, too. With such this perfect condition, between late October and early December is considered the best time to visit Halong Bay.

The specific weather records of each month in a year in Halong Bay are as follows:


Temp (°F) Temp (°C) Rainfall (mm)
  Average Daily Average Daily Average Monthly
  Max Min Max Min Max Min
January 68 57 20 14 5 2
February 70 59 21 15 30 12
March 73 64 23 18 70 33
April 81 70 27 21 71 34
May 89 75 32 24 200 150
June 97 76 36 25 180 150
July 97 77 37 26 250 190
August 97 77 36 25 280 195
September 88 75 28 21 240 140
October 82 70 28 21 75 29
November 75 64 24 18 26 8
December 70 59 21 15 45 12

No matter which month you decide to travel in, Halong Bay is still exceptionally beautiful to explore. Consider Halong Bay cruise weather carefully and better plan for your Halong Bay trip. The experiences the Bay offers will never let you down.