Tongjiang experiences mild springs with temperatures gradually warming up in March, averaging around 4°C. Winters are cold and dry, with temperatures often below freezing from December to February, while summers are hot and humid, with frequent rain showers during July and August. Autumn is a relatively pleasant season, with comfortable temperatures ranging from 10°C to 20°C from September to November. The region's climate is characterized by distinct seasonal changes, with minimal temperature fluctuations in between.