When Does Summer Start In 2024 In The United States. 1796, when george washington was president and there were only 16 states in the union. In this system, summer begins on june 1 and ends on august 31.

The season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices. Here are the equinox and solstice dates—plus, answers to common questions about the.