The best months for Ha Long Bay, Vietnam: weather, crowds and prices through the year.
Spring and autumn usually bring mild weather and fewer visitors to Ha Long Bay: the light is softer and rooms are easier to find.
The high season is busiest and most expensive; book early, or travel at the edges of the season for the best of both.
Photo: Jakub Hałun, CC BY 4.0, Wikimedia Commons (https://commons.wikimedia.org/wiki/File:View_of_sea_from_Titov_Island,_Ha_Long_Bay,_Vietnam,_20240128_1337_3732.jpg)