Belonging to the subtropical monsoon climate, being temperate and moist, Ningbo has four distinct seasons. The average temperature in the whole year is 16.2℃. Among the average temperatures of different months of a year, the highest is that of July, reaching up to 28.8℃, and the lowest is that of January, being -4.2℃. The frost-free period here covers 230-240 days and the growing period of the crops covers 300 days, which is fit for the growth of crops like grain, cotton, oil crops, etc. the annual average rainfall is 1300-1400mm, among which the rainfall of May to June holds up to 60%