Yan’an, belonging to a temperate climate zone, has an annual average temperature of 9.3 degrees C. As a result, it is an ideal place to escape the sweltering summer that hits other areas of China. However, if you come here in other seasons, be sure to take some thick clothes, for the city is characterized by sharp daily temperature distinctions. Generally speaking, the best time to set foot in this sacred political city is between June and September.