When Is Summer 2024 Date In Usa. Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis having. * the dates of the seasons given on this page are for the northern hemisphere.

Although some consider summer’s end to be labor day or when the kids go back to school , the official last day of summer for 2024 is. It’s the longest day of the year and follows father’s day and.