According to the Online Etymological Dictionary, "spring" in the sense of the season comes from phrases such as … See more

Meteorologists generally define four seasons in many climatic areas: spring, summer, autumn (fall), and winter. These are determined by the values of their average temperatures on a monthly basis, with each s… See more

In the Northern Hemisphere (with countries such as Germany, the United States, Canada, and the UK), solar reckoning was traditionally used with the solstices and equinoxes representing the midpoints of each seaso… See more

The beginning of spring is not always determined by fixed calendar dates. The phenological or ecological definition of spring relates to biological indicators, such as the blossoming of a range of plant species, the activities of … See more

During early spring, the axis of the Earth is increasing its tilt relative to the Sun, and the length of daylight rapidly increases for the relevant hemisphere. The hemisphere begins to warm significantly, causing new plant growt… See more