Summer 2025 Date In Usa 2025.  — summer break dates in the united states for 2025 vary widely by school district. This year the summer will start on thursday june 20, 2025 (day of the summer solstice) and will end on sunday september 22, 2025 with the autumnal equinox.

 — here’s when the holiday falls in 2025 and why its celebrated. The 2025 opening ceremony begins at 7:30.