When Is Summer 2025 In Usa. The first day of summer arrives with the solstice this year on thursday, june 20, 2025 at 4:51 p.m. Winter begins with the winter solstice, saturday, december 21, 2025, 4:21 a.m.
Here’s when the holiday falls in 2025 and why its celebrated. Print date calendar for the summer 2025.