When will spring arrive in Shanghai in 2021?

After spring arrives, the weather will become warmer, and various flowers and plants will begin to regain their vitality and grow freely. People can also slowly take off their thick winter clothes. Although the Beginning of Spring solar term is the first solar term of spring, and it also means "the beginning of spring," it does not mean that we are about to enter spring. The specifics still depend on meteorological standards. It's already spring in Shanghai. 1. When does spring enter in Shanghai in 2021?

Spring in Shanghai in 2021 should be on March 10. The standard for the arrival of spring is after the Beginning of Spring. If the daily average temperature for five consecutive days is greater than or equal to 10℃, it means that spring has entered. The first day of spring is the first day of spring. In the five days from March 10th to March 15th, the average daily temperature in Shanghai has exceeded 10 degrees continuously, so there is basically no suspense about spring. In previous years, spring started on March 17 in Shanghai on average, but this year it started one week earlier than before. 2. Has spring arrived in Shanghai in 2021?

Spring has arrived in Shanghai on March 10. Until today (March 15), the daily average temperature has exceeded 10℃ every day, meeting the standard of spring in the meteorological sense. From March 10th, it was sunny and warm weather for several consecutive days, and on March 15th, the temperature was as high as 22℃. However, it should be noted that the first wave of cold air in spring will arrive later, and the weather will switch to rainy weather, which will last for about 5 weeks. The temperature will also drop, so everyone should be careful about catching a cold. 3. Standards for the arrival of spring in Shanghai

Meteorologically speaking, the standard for the arrival of spring is that after the Beginning of Spring solar term, the daily average temperature or the sliding average temperature for five consecutive days is greater than or equal to 10°C and less than 22°C. The sliding average temperature value is the average obtained from the temperature data of the current day and the previous 4 days. Compared with other methods, this calculation method is more rigorous and can filter out the influence of temperature fluctuations to a certain extent. Although the Beginning of Spring is the first solar term in spring, it is usually relatively cold at this time, and different regions in our country have different terrain characteristics and different climates. In meteorology, generally only the Beginning of Spring in South China can be regarded as the beginning of spring.