Laohekou experiences a humid subtropical climate with distinct seasonal changes. Spring arrives in March, bringing mild temperatures ranging from 11°C to 20°C, with an average of 15°C, and gradually warming up after the cold winter months. Summer is hot and humid, with temperatures often soaring above 30°C, especially during July and August. Autumn brings a welcome respite from the heat, with comfortable temperatures between 10°C to 25°C, while winter is relatively mild, with temperatures ranging from -5°C to 15°C. The region receives most of its annual rainfall in summer months, with June being the wettest month.