Begin And End — When Do The Seasons

| Season | Start Date | End Date | |--------|------------|----------| | | March 1 | May 31 | | Summer | June 1 | August 31 | | Autumn | September 1 | November 30 | | Winter | December 1 | February 28/29 | Meteorological seasons are the same globally, but their character (warm/cold) depends on hemisphere. Quick Comparison Example (Northern Hemisphere) | Event | Astronomical | Meteorological | |-------|--------------|----------------| | Start of Spring | March 20 (approx.) | March 1 | | Start of Summer | June 21 (approx.) | June 1 |

| Season | Start | |--------|-------| | | September equinox | | Summer | December solstice | | Autumn | March equinox | | Winter | June solstice | Meteorological Seasons These are fixed calendar-based seasons, designed to simplify statistics (temperature, precipitation) and forecasting. when do the seasons begin and end