When Do The Four Seasons Start And End Best [ VERIFIED — 2026 ]

In this comprehensive guide, we will break down both systems, explain the science and tradition behind each, provide clear date ranges, and finally answer the age-old question once and for all.

To solve this, (and many climatologists) created a simpler, more practical system based on the annual temperature cycle. They split the year into three-month blocks that align with our sensory experience of weather.

September, October, and November represent the transition from summer heat to winter cold. September 1 is the logical start of the cooling trend. when do the four seasons start and end

Seasons of the Year: When Do They Start and End? - Time and Date

+---------------+-----------------------------+-----------------------------+ | Season | Astronomical Dates (Approx) | Meteorological Dates | +---------------+-----------------------------+-----------------------------+ | Spring | March 19 – June 20 | March 1 – May 31 | | Summer | June 20 – September 22 | June 1 – August 31 | | Autumn (Fall) | September 22 – December 21 | September 1 – November 30 | | Winter | December 21 – March 19 | December 1 – February 28/29 | +---------------+-----------------------------+-----------------------------+ In this comprehensive guide, we will break down

The four seasons - spring, summer, autumn (or fall), and winter - are a fundamental part of our yearly cycle. Each season brings its own unique characteristics, weather patterns, and activities. But when exactly do the four seasons start and end?

May 31, 2026 (Meteorological) / June 20, 2026 (Astronomical) 2026 (Meteorological) / June 20

While the calendar on your wall gives you a specific date for the start of spring or fall, the "true" beginning of a season depends entirely on who you ask—an astronomer or a meteorologist.