Here’s a clear, helpful guide to when the four seasons start and end, keeping in mind there are two main ways to define them: (based on Earth’s position relative to the Sun) and meteorological (based on annual temperature cycles for record-keeping).
In the Northern Hemisphere, the dates for the current year are as follows: Meteorological Dates Astronomical Dates (Approx.) March 1 – May 31 March 20 – June 20 Summer June 1 – August 31 June 21 – September 22 Fall September 1 – November 30 September 22 – December 20 Winter December 1 – February 28/29 December 21 – March 19 Two Ways to Define Seasons When Do the Seasons Start and End in 2026? when do the four seasons start and end