Zhengding experiences a temperate climate with distinct seasonal changes. Winters are cold, with temperatures often below freezing in January and February, but gradually warming up by March. Spring brings rapid warming, with temperatures rising from around 0°C in March to over 20°C by May. Summers are warm to hot, with July being the hottest month, while autumn is mild, with temperatures dropping back down to around 10°C by October. The temperature fluctuations are relatively small during the spring and autumn months, but winters can be quite chilly and summers hot.