Yashan, China experiences a distinct seasonal pattern with mild winters and hot summers. Spring brings gentle warmth, with temperatures gradually increasing from February's average of 16°C to April's high of around 24°C. Summer is characterized by sweltering heat, with July often reaching highs above 30°C. Autumn is relatively cool, with temperatures dropping significantly in October and November, averaging around 20°C. Winters are generally mild, with January averaging a comfortable 12°C.