Winters in Guankou are typically cold, with temperatures ranging from -6°C to 18°C, averaging around 7-9°C. Spring brings a gradual warming trend, with temperatures rising to an average of 15-22°C by May. Summer is hot and humid, with highs often reaching above 34°C, but also experiencing some cooler days in the mid-twenties. Autumn sees a reversal of the spring trend, with temperatures cooling back down to around 12-17°C by October. Overall, Guankou's climate is mild compared to other parts of China, with limited extreme temperature fluctuations throughout the year.