When Do The Four — Seasons Start And End

| Season | Start Date | End Date | Why these months? | | :--- | :--- | :--- | :--- | | | March 1 | May 31 | Captures the full warming trend from early March (still cold) to late May (warm). | | Summer | June 1 | August 31 | Includes the hottest months of the year for most of the Northern Hemisphere. | | Autumn | September 1 | November 30 | Captures the cooling from late summer heat to pre-winter chill. | | Winter | December 1 | February 28/29 | Covers the coldest sustained temperatures. |

Before we dive into the specific dates, let's quickly review the four seasons: when do the four seasons start and end

Is climate change altering when the seasons start and end? The short answer is , but the weather within those seasons is changing dramatically. | Season | Start Date | End Date | Why these months