Qingdao's climate is characterized by cold winters with temperatures often below freezing, especially in January and December when averages range from -17°C to 13°C. Spring brings mild temperatures, gradually warming up from March to May, with April being the warmest month of the season. Summer is hot and humid, with June and July experiencing the highest temperatures, averaging around 35°C. Autumn sees a return to milder weather, similar to spring, with September having a cooler average temperature than August. The city's temperature fluctuates significantly throughout the year, but overall stays within a relatively narrow range.