The best times to visit Qingdao are as follows:

Spring (March to May)：

Weather：The climate is mild, though it;;s a bit chilly in early spring with strong sea breezes. As spring progresses, the weather gets more pleasant.

Scenery：It;s a floral paradise. Cherry blossoms, azaleas, rape flowers, and tulips bloom successively. The annual cherry blossom festival in Zhongshan Park is a must-see, with cherry trees lining the avenues in full bloom.

Summer (June to August)：

Weather：The weather is warm and sunny, and the sea breeze keeps it from being overly hot. July and August are the hottest months, with an average temperature of about 25.4°C.

Scenery and Activities：The seawater warms up, making it perfect for swimming and water sports from May onwards. August is when the lively Qingdao International Beer Festival takes place, offering a great opportunity to enjoy beer and local cuisine.

Autumn (September to November)：

Weather：The weather is clear and pleasant, with comfortable temperatures.

Scenery and Food：It;;s a great time for sightseeing. The autumn scenery in Badaguan is enchanting, with golden plane trees. September also brings a bounty of fresh seafood like crabs and mantis shrimp.

Winter (December to February)：

Weather：It;;s cold with strong winds, but not overly frigid.

Unique Attractions：You can avoid the summer crowds and enjoy a different view of the sea. There are also ice waterfalls on Laoshan Mountain, and it&;s a good time for hot spring baths.