The North and North Central regions have a humid subtropical climate with 4 seasons: Spring, Summer, Autumn, and Winter. The Central and South Central regions have a tropical monsoon climate, the extreme South Central and Southern regions have tropical savanna characteristics. At the same time, it is directly influenced by the trade monsoon climate, which often blows in low latitudes. The South often has a tropical savanna climate, hot and humid with two seasons: dry season and rainy season (from April-May to October-November). Every year, the cold and humid winter typical of the North contrasts with the warm atmosphere of Tet and spring in the South.

Vietnam is the homeland of diverse bloodlines. The community of 54 ethnic groups is divided into hundreds of smaller groups. Each ethnic minority maintains its own culture, with its own rituals, costumes, and language. The best way to learn about them is through practical experiences such as living with indigenous people, or learning how to weave fabric with unique patterns. National culture is always an attractive highlight of Vietnamese tourism.

Vietnam is a country with 54 different ethnic groups, each of which has its own unique and impressive culture and identity. It is this difference in ethnic composition that has contributed to creating a very diverse, rich and unique beauty for Vietnam's culture that no other country can replace. Customs in Vietnam have a long tradition spanning thousands of years, it has become customary law, deep and firmly embedded in the hearts of every Vietnamese person.

Vietnam's costumes are very diverse and rich, but the ones that impress people the most are the ao dai and the four-piece dress. The outfit carries the look and soul of Vietnam and when it comes to it, people will immediately think of Vietnam and that is the traditional ao dai. Traditional ao dai consists of a long shirt split into two front and back flaps, floor-length pants, material is silk or plain fabric, diverse colors and patterns.