When Is Summer In 2025. Application deadlines for most universities. 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.

Under multiple term registration, undergraduates with a declared major and ucf gpa of 3.5. In the summer of 2025, there are 78 holidays and days off in united states.