Summer 2025 Date. Find out the date when summer is in 2025 and count down the days until summer with a countdown timer. This online date calculator will help you calculate how many days are left until any holiday.
For the year 2024 the meteorological summer will begin on saturday, june 1, 2024 and will end on saturday, august 31, 2024. 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.