When Is Summer 2024 Date. This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox. It’ll be the longest day of the year north of the equator, and it is the.

Meteorological summer will always begin on 1 june; What exactly is the summer solstice?