Yan'an's climate is characterized by distinct seasonal changes. Winters are cold and dry, with temperatures ranging from -5°C to 4°C, while springs bring mild conditions, with temperatures gradually warming up to an average of 17°C in April. Summers are hot and humid, with temperatures often soaring above 30°C, but also experiencing occasional rain showers. Autumns are relatively cool, with a slow decline in temperature from around 20°C in September to 10°C by November. In contrast, winters are the driest season, with minimal rainfall throughout the year.