Traditional Culture Encyclopedia - Weather inquiry - What is the average annual temperature in Changsha?
What is the average annual temperature in Changsha?
Changsha has a subtropical monsoon climate with mild climate, abundant precipitation, simultaneous rain and heat, and distinct four seasons. The annual average temperature in Changsha is 17.2℃, the annual accumulated temperature in each county is 5457℃, the annual average precipitation in urban area is 136 1.6 mm, and the annual average precipitation in each county is 1358.6 ~ 65438.
Changsha is long in summer and short in spring and autumn, with about 1 18- 127 days in summer, 1 17- 122 days in winter and 6 1-64 days in spring. The temperature changes greatly in spring, with more rain in early summer, long high temperature in summer and autumn and less cold in winter. From late March to mid-May, cold and warm air crossed each other, forming continuous rainy and low temperature weather.
Since the end of May, the temperature has obviously increased. In summer, the average daily temperature is above 30℃ for 85 days, and in hot days above 35℃, the average annual temperature is about 30 days, and it is very hot and rainy in summer. After the end of September, it is warmer during the day and cooler at night, with less precipitation and more low clouds.
165438+ 1 from late October to mid-March of the following year, the severe cold period in Changsha is very short, and1is the coldest in June, with a monthly average of 4.4℃-5. 1℃. Overwintering crops can safely overwinter and grow slowly.
Extended data:
I. Location and background
Changsha is located in the northeast of Hunan Province, the lower reaches of Xiangjiang River and the western edge of Changsha Basin. Between east longitude11153 ′ ~1415 ′ and north latitude 27 51′. It is adjacent to Yichun and Pingxiang in Jiangxi in the east, Zhuzhou and Xiangtan in the south, Loudi and Yiyang in the west and Yueyang and Yiyang in the north. It is about 230 kilometers long from east to west and 88 kilometers wide from north to south. Area 1 18 19 km2. ?
Second, the geological characteristics
The geological characteristics of Changsha are: the strata are completely exposed, the granite bodies are widely distributed and the geological structure is complex. Various geological and historical strata are exposed in Changsha, and the oldest stratum was formed about 1 100 million years ago.
About 600 million years ago, Changsha was still a sea of Wang Yang, but the sea was not deep. After that, the sea gradually withdrew from east to west, and most areas of Liuyang, Changsha and Wangcheng surfaced, becoming the northwest edge of Jiangnan ancient land.
About/kloc-0.40 billion years ago, the seawater immersion in Changsha area ended and rose to land. Due to the influence of crustal movement and geological structure, a long-strip intermountain depression basin-Chang (Sha) Ping (Jiang) basin has been formed. Since Cenozoic, the whole Changping basin has risen to land. About 3.5 million years ago, the third ice age occurred on the earth, and Liuyang preserved the remains of glacial landforms.
Baidu Encyclopedia-Changsha
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