Spring Definition Season Jun 2026

While the astronomical definition of spring is based on the Earth's tilt and orbit around the sun, the meteorological definition is more practical and based on temperature and climate patterns. According to the meteorological definition, spring is defined as the period of the year that spans from March 1 to May 31 in the Northern Hemisphere, and from September 1 to November 30 in the Southern Hemisphere.

Concise summary Spring is the transitional season of increasing warmth and daylight between winter and summer, defined astronomically by the vernal equinox or meteorologically as a fixed three-month period; it brings biological renewal, agricultural activity, and varied cultural celebrations, with timing and expression varying by region and affected by climate change.

Regardless of which definition you use, spring is defined by several universal changes:

The shift in Earth's tilt toward the sun triggers a "chain reaction" of natural events:

Spring is one of the four temperate seasons, traditionally representing the period of transition between winter and summer. It is widely celebrated as a time of rebirth, rejuvenation, and new beginnings as the natural world awakens from its winter dormancy. Technical Definitions