Yantai's climate is characterized by mild springs with temperatures gradually warming up from around 9°C in early March to a high of 15°C, averaging 12°C. Summer months bring hot and humid conditions, with July being the warmest month, although exact temperature ranges are not provided. Autumn is relatively cool and dry, with September experiencing average highs ranging from 21°C to 25°C. Winters are cold and wet, with January temperatures often below 0°C, averaging around -2°C.