Longjiang experiences mild springs with temperatures gradually warming up, reaching an average of 9°C in March. Summer months are warm and humid, with July being the hottest, but temperatures rarely exceed 25°C. Autumn brings a slight chill, with October averaging around 10-12°C. Winters can be quite cold, especially January, when temperatures often drop to -5°C. The region receives most of its rainfall during the summer months, with June and July seeing the highest precipitation levels.