In which month did Nanjing start to get warmer?

In mid-March, 2023, the weather in Nanjing began to warm up slowly, because the cold weather started from the winter solstice of the previous year at 65438+February 2 1 and will not end until March 1 1 of the next year. If the weather really warms up, we have to wait until the end of the nine cold days, and according to relevant information, March 20 is the vernal equinox. Generally, when the vernal equinox comes, the season begins to really pick up.

Perhaps in everyone's impression, Nanjing has only summer and winter. Although Nanjing has it all year round, they are not very clear. Generally, the winter time in Nanjing is particularly long, and it may be until mid-June 165438+ April of the following year. After this period, it will be summer in Nanjing.

Hydrological climate in Nanjing

Nanjing has a humid climate in the north subtropical zone, with four distinct seasons and abundant rainfall. Annual average rainfall 1 17 days, average rainfall1106.5mm, relative humidity 76%, frost-free period 237 days. The rainy season is from late June to early July every year, with an annual average temperature of 15.4℃ and an annual extreme temperature of 39.7℃, with a minimum of -66. Nanjing is short in spring and autumn, long in winter and long in summer, and the temperature difference between winter and summer is significant. Due to the change of atmospheric circulation and the continuous afforestation in Nanjing, the summer heat in Nanjing is much lower than that in other cities.

The water area of Nanjing is more than 1 1%, including Qinhuai River, Jinchuan River, Xuanwu Lake, Mochou Lake, Baijia Lake, Shijiu Lake, Gucheng Lake and Jinniu Lake. The Yangtze River passes through the city, with a total coastline of nearly 200 kilometers, and there are 120 rivers in China. Rivers and lakes belong to the Yangtze River system, and only the rivers that flow into gaoyou lake and baoying lake in the north of Liuhe District belong to the Huaihe River system.

Reference to the above content: Baidu Encyclopedia-Nanjing