When Does Summer Begin in 2019
In 2019, summer begins on June 21 in the Northern Hemisphere, marking the June solstice. This is the longest day of the year in terms of daylight hours.
What Happens on the First Day of Summer
On the first day of summer, the North Pole is tilted closest to the Sun. This results in the most direct sunlight and the shortest night of the year for locations north of the equator.
How Summer Affects Weather and Daylight
After summer begins, daylight hours gradually shorten until the winter solstice. Warmer temperatures follow as the Northern Hemisphere receives more solar energy over time.
Key Facts About the Summer Solstice
The June solstice occurs at a specific moment in time, which can fall on June 20 or June 21 depending on the year and time zone. For more details on solstice timing and history, see timeanddate.com.
