The best time to visit Miyun is during spring (April to May) and autumn (September to October), when the weather is most pleasant for outdoor activities.Spring in Miyun brings mild temperatures and blooming flora, making it ideal for exploring the natural landscapes around the Miyun Reservoir or hiking parts of the Great Wall. The air is generally clear, offering good visibility for scenic views. This period is particularly good for families who enjoy outdoor exploration without the intense heat of summer.Autumn offers similarly comfortable weather with cooler temperatures and often clear skies, great for outdoor excursions. The changing leaves provide a beautiful backdrop, especially around Gubei Water Town or the various sections of the Great Wall nearby.