What Is Considered Summer 2024. It’ll be the longest day of the year north of the equator, and it is the scientific. Noaa’s latest projections gave 2024 a 61% chance of beating 2023 as the warmest year on record.

Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth’s axis having reached its furthest tilt and begins to change. The sun will not set at the north pole, and at the south pole, it will.