Hengkou's climate is marked by mild springs with temperatures gradually warming up over the course of the season. In March, temperatures range from a low of 10°C to a high of 17°C, averaging around 13°C. Summer brings hot and humid conditions, with temperatures often soaring above 30°C during July and August, but also experiencing brief respite in September with temperatures dropping back down into the mid-20s. Autumn is characterized by mild temperatures, ranging from 10°C to 20°C, as winter's chill begins to set in around December, with temperatures plummeting to around 2°C.