Jianshe's climate is characterized by cold winters and warm summers. In winter, temperatures often drop below freezing, with January averaging around 3°C and December reaching as low as -12°C. As spring arrives in March, temperatures rise rapidly, averaging around 12°C, while summer months from June to August are relatively consistent, typically ranging between 22-28°C. Autumn brings a return to cooler temperatures, with October and November averages dipping below 15°C and 11°C respectively.