The climate in Beijing is of the continental type, with cold and dry winters, due to the Siberian air massses that move southward across the Mongolian Plateau. The summers are hot owing to warm and humid monsoon winds from the southeast bringing Beijing most of its annual precipitation. January is the coldest month and July is the warmest. Winter usually begins towards the end of October. The summer months, June to August, are wet and hot with about 40% of the annual precipitation.

The permanent residents of Beijing come from all of China's 56 ethnic groups. The Han nationality accounts for 96.5% of the total. The other 55 ethnic minorities claim a population of more than 300,000, most of them are from Hui, Manchu, and Mongolian nationalities.

In 1994, the gross value of agricultural output reached 28.69 billion yuan (non-agricultural output value accounting for 79.5%). The gross value of rural industrial output accounted for 40.2% of the city's gross value of industrial output in 1994. The main cereals are wheat, corn, and rice. The total amount of grain output was 2,761 million tons, and per-hectare yield was 6,420 kilograms. There are 541 farms where each farmer is responsible for more than 6.6 hectares. Mechanization in agriculture has been basically realized in plain areas, and various kinds of bases can provide abundant sideline products.