Situated in a transitional zone between temperate zone and subtropical zone, Jiangsu has a temperate climate, moderate rainfall, and four distinct seasons. In most part of the province the average temperature of January, the coldest month, is between 0°C and 4°C (32°F and 39.2°F), while a temperature between -1°C and 2°C (30.2°F and 35.6°F), in Xuzhou district; the average temperature of July, the warmest month, gradually increases southwards from 26°C to 28°C (78.8°F and 82.4°F). The average annual precipitation rises from 800mm to 1,200mm in a northwest-southeast direction. In summer, with the coming of southeast monsoon, Jiangsu has plenty of rain. The precipitation drops less in winter. Jiangsu has plenty of “plum rain” when spring is changing into summer and typhoon rain around summer and autumn.