Yima's climate is characterized by a distinct seasonal pattern. In spring, temperatures gradually rise, with March averaging around 18°C, marking the onset of mild weather. Summer months bring hot and humid conditions, with July being the warmest month. Autumn is relatively cool and dry, with September experiencing average highs in the mid-teens. Winter is chilly, with January often dipping below freezing point, but temperatures are generally milder than those found in northern China.