Answer:
Spring runs from March 1 to May 31
Summer runs from June 1 to August 31
Fall (autumn) runs from September 1 to November 30
Winter runs from December 1 to February 28 (February 29 in a leap year).
Step-by-step explanation:
According to the meteorological definition, the seasons begin on the first day of the months that include the equinoxes and solstices:
Spring runs from March 1 to May 31;
Summer runs from June 1 to August 31;
Fall (autumn) runs from September 1 to November 30; and
Winter runs from December 1 to February 28 (February 29 in a leap year).