When Does Summer Start 2024 Dates Usa. June 20, 2024 (summer solstice). When does summer start in 2024?

This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox. And the rest of the countries in the northern hemisphere, the summer solstice will begin on thursday, june.