202 1 When will Shanghai enter spring?

After the arrival of spring, the weather will get warmer, and all kinds of flowers and plants will begin to glow with youth and grow wantonly. For people, you can also slowly take off your thick winter clothes. Although beginning of spring solar term is the first solar term in spring, it also means "the beginning of spring", but it doesn't mean that we will have spring when beginning of spring solar term arrives, which depends on meteorological standards. It's spring in Shanghai.

1, 202 1 When will it be spring in Shanghai? 202 1 Shanghai March 10 should be considered as spring. The standard of entering spring is after the solar terms in beginning of spring. If the average daily temperature for five consecutive days is greater than or equal to 10℃, it means that it is in spring, and the first day is the first day of spring. During the five days from March 10 to March 15, the average daily temperature in Shanghai continuously exceeded 10 degrees, so there is basically no suspense in spring. In previous years, Shanghai entered the spring in March 17 on average, and this year it entered the spring one week earlier than in previous years.

2.202 1 Is it spring in Shanghai? It's already spring, and Shanghai entered spring in March 10. Up to today (March 15), the daily average temperature has exceeded 10℃, which meets the meteorological standard of spring. It was sunny and warm for several days from March 10, and the temperature was as high as 22℃ on March 15. However, it should be noted that the first cold air will arrive in the next spring, and the weather will turn into rainy weather, lasting about 5 weeks, and the temperature will drop. Everyone should pay attention to colds.

3. Shanghai's criteria for entering spring In meteorology, the criteria for entering spring are that the daily average temperature or moving average temperature is greater than or equal to 10℃ and less than 22℃ for five consecutive days after the start of the spring solar term, and the moving average temperature value is the average of the temperature data of the current day and the previous four days. Compared with other methods, this calculation method is more rigorous and can filter out the influence of temperature fluctuation to some extent. Although beginning of spring is the first solar term in spring, it is usually very cold at this time. In addition, different regions in China have different topographical features and different climates. Meteorologically, only beginning of spring solar terms in South China can be regarded as beginning of spring.