Located in a middle-longitude area, Weihai has a mild monsoon continental climate. The changes of four seasons and coming and leaving of the monsoon are apparent. Compared with inland areas on the same longitude, the climate in Weihai has a characteristic of rich rain, moist air and mild temperature, With the regulatory of the sea, it is not cold in winter, nor is it extremely hot in summer. The climate is characterized by the following ocean climatic features: cold spring cool summer, warm autumn, warm winter, small temperature difference between day and night, long frost-free period and strong humidity. The annual average temperature is between 11.1℃ and 12.1℃. The annual average precipitation is between 750 millimeters and 850 millimeters. Annual average sunshine time is between 2,500 hours and 2,700 hours. Annual average frost-free period is 225 days. This kind of climate is good for the growth of varied animals and plants.