4 Seasons Weather Dates Jun 2026

March 20 or 21 Meteorological Start: March 1

While the dates above are used for weather forecasting, (based on the solstices and equinoxes) vary slightly each year (usually falling between the 19th and 22nd of the starting month). 4 seasons weather dates

December 1 – February 28 (or 29) Duration: 90 days (or 91 in a Leap Year) March 20 or 21 Meteorological Start: March 1

Here’s a clear, standard reference text for the four seasons with their typical meteorological and astronomical date ranges in the Northern Hemisphere: 4 seasons weather dates

Before diving into the dates, it is important to note that meteorologists and astronomers define seasons differently: