Want it. The average winter temperature in Weihai is 1℃ to 6℃, and the weather is cold. It is recommended to wear down jackets, cotton-padded clothes, thermal underwear, cotton trousers, cotton socks and other thermal clothes. The average daytime temperature in Weihai in winter is about 6 degrees Celsius. It is recommended to wear coats, cotton-padded clothes, sweaters, wool suits and winter clothes to keep warm. ...