Spring, also known as springtime, is the first season of the year when everything revives. In the Northern Hemisphere it is from March - May on the Gregorian calendar, while in the Southern Hemisphere it runs from September - November, as in Australia. Climatologically, spring begins with five consecutive days of average daily temperatures above 10℃. Spring climate is warm and moderate, most of China's inland areas less rain, everything is sprouting, the climate is changing, the first warm and cold.