Summer is the season of the year that stretches between spring and fall, but precisely when does it begin? That depends.

Astronomical summer begins at the summer solstice, which is the longest day of the year. This means days get shorter during summer—very slowly at first, but at ever-larger daily intervals …

Jun 20, 2025 · Summer officially begins in the Northern Hemisphere on June 20 with the summer solstice, the day with the greatest amount of possible daylight and the shortest night.

Jun 16, 2025 · While meteorologically, summer starts on June 1 and ends on August 31 (because fall begins on September 1 for them), astronomically, summer ends when fall begins on the fall …

Dec 11, 2025 · Summer begins with the solstice on Sunday, June 21, 2026, marking the astronomical first day of summer in the Northern Hemisphere. What exactly IS the summer …

May 23, 2025 · Tied to the summer solstice, or the point when one of Earth's poles is at its maximum tilt towards the sun, the astronomical start of summer coincides with the longest day …

Jun 20, 2024 · The summer solstice is Friday, June 20. It’s the first day of summer and the longest day and shortest night in the Northern Hemisphere.

In the simpler terms, the June solstice, also known as the summer solstice, is when the sun reaches its highest and most northern points in the sky — in the Northern Hemisphere.

This is the longest day of the year and marks the start of summer in the Northern Hemisphere. This season usually starts on June 20, 21, or 22, just after spring ends, and lasts until …

The meteorological convention defines summer as comprising the months of June, July, and August in the northern hemisphere and the months of December, January, and February in the …