What should I wear when traveling to Hanoi, Vietnam in January?

The average temperature in Hanoi in January is 14℃~19℃. The average daytime temperature is 19°C. It is recommended to wear comfortable clothes such as short suits, T-shirts, thin jeans, casual clothes, and professional suits made of single-layer cotton and linen fabrics. The average temperature at night is 14°C. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits, and thin sweaters. The cities with the highest daily average temperatures in Hanoi in January are Ho Chi Minh City (32℃) and Da Nang (34℃). The cities with the lowest daily average temperature in Hanoi in January are Ho Chi Minh City (21℃) and Da Nang (18℃).