Changzhou's climate is characterized by mild springs with temperatures gradually warming up from March, averaging around 16°C. Summer months bring hot and humid conditions, with July being the warmest month, though exact temperature data is not provided. Autumn is relatively cool, with September temperatures ranging from 11C to 20C, indicating a decrease in warmth as winter approaches. Winters are generally cold, with January temperatures averaging around -2°C to 4°C, marking the coldest period of the year.