what kind of clothing will be needed in beginning of June to begining of July in Qingdao City?

Before Jun. 20, the temp is around 68F. After Jun 20, the temp would be around 77F. So the most you should take with would be summer clothes. Also, to keep yourself warm in rainy days, take a light jacket or several long-sleeved shirt, and jeans.

June and July begin the hot season, The highest temperature reaches 39 °C. It is very humid and the air pressure is low.

Wearing a beautiful dress or a T-shirt and shorts is appropriate, and remember your sunscreen. Sunscreen, sunglasses, and an umbrella are also necessities. Wearing slippers is fine for walking around, but bring your sneakers to climb the mountains.