What Is The First Day Of Summer 2024 Date. (in the southern hemisphere, it is around december 21 or 22.) this date is considered to be the first day of summer. This year, the first day of summer, also known as the summer solstice, is thursday, june 20.
June, july, and august 2024 combined were about 0.2 degrees fahrenheit (about 0.1 degrees celsius) warmer globally than any other summer in nasaโs record โ narrowly. For those of us in the northern hemisphere, earth is tilting mostly.