Is Qingdao cold in winter?

What is the average temperature in Qingdao in winter? 1℃? ~? 7℃, the weather is cold.

Average during the day? 7℃, it is recommended to wear trench coats, coats, sweaters, sweaters, suits, winter clothes and other warm clothes.

Night average? 1℃, it is recommended to wear warm clothes such as windbreaker, coat, jacket, sweater, wool suit and winter clothes.