When Is Summer 2025 Start Date

When Is Summer 2025 Start Date. Fall begins with the autumnal equinox , monday, september 22, 2025, 2:19 p.m. The short course calendar for summer 2025 will be available in march of 2025.

However, meteorologists are also interested in the beginning of the meteorological summer. In 2025, the summer solstice will occur on june 21, at 02:42 gmt in the northern hemisphere, and on december 21, 2024 at 09:20 gmt in the southern hemisphere.