Tangjin's winters are harsh, with temperatures often dropping below freezing point in January and December, averaging around -2°C and 1°C respectively. Spring brings a welcome warmth, with temperatures rising steadily from March to April, reaching an average of 13°C. Summer is hot and humid, with July being the warmest month, averaging 27°C, while autumn sees a gentle decline in temperature, with October averaging 16°C before the chill of winter returns.