The best time to visit Xining is during the summer months, from June to September, when the weather is most pleasant.During this period, Xining experiences mild temperatures, typically ranging from 15°C to 25°C (59°F to 77°F), making it ideal for exploring the city and surrounding natural attractions. The summer also offers clearer skies, which is great for enjoying the scenic landscapes of Qinghai Lake and the Qilian Mountains.For travelers interested in cultural events, the summer coincides with several local festivals, including the annual Qinghai Lake International Cycling Race, which attracts participants and spectators from around the world. It's also a great time for outdoor activities like hiking and boating.