Traditional Culture Encyclopedia - Weather inquiry - Which month is the coldest in a year?
Which month is the coldest in a year?
During the winter solstice, the earth runs on the ecliptic until the sun reaches 270 (winter solstice), and the position where the sun directly hits the ground reaches the southernmost point of the year. The sun is almost directly on the tropic of Capricorn (also known as the winter solstice daily line), and the sun is most biased towards the northern hemisphere. The winter solstice is the shortest day of the year in the northern hemisphere, and it absorbs the least heat from the sun, which is the reason for the cold weather.
After the winter solstice, the direct point of the sun gradually moved northward, the days in the northern hemisphere began to get longer and the height of the sun gradually increased at noon. Climatically, during the winter solstice, the average temperature in the northwest plateau is generally below 0℃, and the southern region is only about 6℃ to 8℃.
However, the influencing factors of temperature are complex, besides natural factors, they are also closely related to human factors, such as exhaust emissions and coal burning, which will cause temperature fluctuations, and the coldest months in different regions are also different.
Extended data:
China is extremely "low temperature";
On June1922+1October 16, China Inner Mongolia Autonomous Region, Miandu River was observed at -50. 1℃, which was the lowest temperature recorded before the founding of New China. ?
After the founding of New China, Fuyun Meteorological Station in northern Xinjiang broke the record of crossing the river at a low temperature of -50.7℃ for the first time on 19601October 20th, and then set a new national record at 65438+2 1.5℃ on1October 20th.
The northernmost weather station in China, Mohe weather station in Heilongjiang Province, measured a temperature of -50.9℃ on the morning of February 27th.
1February, 969 13, Mohe once again gave birth to the extreme lowest temperature record in the existing meteorological data in China-52.3℃.
Baidu encyclopedia-winter solstice
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