What's the climate like in Nanjing?

Subtropical monsoon climate, mild winter and rainy summer. Precipitation is affected by southeast monsoon and typhoon.

Nanjing is located in the mid-latitude area, with subtropical monsoon climate, Leng Xia fever in winter and four distinct seasons. The annual precipitation in Nanjing is over 1000mm, and it belongs to humid area. In the early summer of each year, Nanjing enters the rainy season due to the influence of frontal rain belt. After the plum rain, the weather is sunny and dry, often forming a summer drought.

1999. Climate characteristics of Nanjing: less rain and snow in winter; It is rainy and waterlogged in summer, and there is a big flood in the Yangtze River. It rains continuously during the Mid-Autumn Festival, but it seldom rains after the late autumn. The temperature is high in winter, spring and autumn, low in midsummer, few days of high temperature, and obvious cooling in summer. 11-65438+There was foggy weather in February, and there was no obvious typhoon influence during the year, and the sunshine hours were less than normal.

Precipitation: The annual precipitation is 20% more than normal. The annual rainfall is relatively concentrated, 9 months (1, 2, 3, 4, 5, 7, 9,1,12) and 3 months (6, 8, 65438) less than normal. June 5438+0, February, July and June 5438+February are 40% less than normal, especially in June 5438+February, when it hardly rains, the drought is serious. However, June, August and June 10 month is more than normal 1-2 times, and there are long rainy days in all three months, especially in August, which lasts for 28 days. Due to the adverse effects on autumn crops, the rainy days in June of April 38+00 also lasted for half a month, which was extremely unfavorable for autumn harvest and autumn planting. This year, the plum blossom is earlier than normal 12 days, the flowering period is 22 days longer than normal, and the plum blossom is later than normal 10 days. During the Meiyu period, there were frequent rainstorms, and the water level in Xiaguan of the Yangtze River reached the third highest in history. There was a rare flood in this city.

Temperature: The annual average temperature is more than half a degree higher than normal, and the temperature changes greatly in a year. 1, the average temperature in February and September is 2-3 degrees higher than normal. Winter is a typical warm winter year, and "autumn tiger" appears in September. The highest temperature in the whole year was 35.8 degrees in September 10, and the average temperature in mid-September was as high as 35 degrees, ranking fourth since the data was available in June 1905. The average temperature in June, July and August is 1-2 degrees lower than normal, and the number of hot days in summer is only 1 day, which is a typical hot summer year. There was a strong cold wave in spring and autumn. On the 8th-9th of that month, there was heavy snow in this city, and the temperature plummeted, which caused a large area of freezing damage to crops. 1October 24-27 10, affected by strong cold air, the process temperature dropped to more than 13 degrees; 65438+February 19-23 was attacked by strong cold air, and the minimum temperature dropped to -6.9 degrees. This time, the cold air was fierce and the cooling intensity was strong, which was unprecedented in the same period of last 10 year.

Sunshine: The sunshine hours in the whole year are 342 hours less than normal. In March, June, August and June 10, the sunshine hours are more than 35 hours less than normal, and the sunshine hours are more than 15 hours.

The best year-round integrity is autumn (September-165438+1October).

The absolute maximum temperature is 43 degrees.

Absolute minimum temperature-14 degrees

Annual average temperature 15.7 degrees.

The average temperature in the hottest month is 28. 1 degree.

The average temperature in Leng Yue is -2. 1 degree.

The annual average rainfall is1021.3mm.

The maximum average humidity is 8 1%

The maximum wind speed is19.8m/s.

Maximum freezing depth of soil-0.09m.

The dominant wind direction in summer is southeast wind and east wind.

The dominant wind direction in winter is northeast wind and east wind.

The earthquake intensity is 7 degrees.

Frost-free period 237 days