Located in the north of Vietnam so Halong’s climate is humid and tropical and has four seasons; spring, summer, fall and winter. Average temperature is from 15°C- 25°C. Annual rainfall is between 2000mm and 2200mm.
Expect winter season, tourist can visit Halong bay all year. In Summer is suitable time for activities outdoor such as: swimming, see the beach…The tourist also should pack swimsuits, some shorts and a t-shirt.