Summer 2025 Date Usa. The first day of summer (june solstice) is when the sun is in its most northern position directly over the tropic of cancer. Monday, sep 22 2:19 pm edt.

For the year 2024 the meteorological summer will begin on saturday, june 1, 2024 and will end on saturday, august 31, 2024. This event marks the beginning of summer in.