When is the first day of summer 2016? Get information on summer solstice facts—plus, fun ways to enjoy summer!
What’s your favorite image of summmer?
Click here for our slideshow of summer scenes by Almanac readers.
The Summer Solstice
The summer solstice heralds the beginning of summer in the Northern Hemisphere. The timing of the summer solstice depends on when the Sun reaches its northernmost point of the equator.
In 2016, summer begins with the solstice on the 21st at 12:24 a.m. EDT.
The word solstice is from the Latin solstitium, from sol (sun) and stitium (to stop), reflecting the fact that the Sun appears to stop at this time (and again at the winter solstice).
In temperate regions, we notice that the Sun is higher in the sky throughout the day, and its rays strike Earth at a more direct angle, causing the efficient warming we call summer.
This summer solstice is the day with the most hours of sunlight during the whole year. See our handy Sunrise and sunset calculator for how many hours of sunlight you get in your location.
At the winter solstice, just the opposite occurs: The Sun is at its southernmost point and is low in the sky. Its rays hit the Northern Hemisphere at an oblique angle, creating the feeble winter sunlight.
Did You Know?
Question: Why isn’t the summer solstice, the longest day of the year, also the hottest day of the year?
Answer: Earth’s atmosphere, land, and oceans absorb part of the incoming energy from the Sun and store it, releasing it back as heat at various rates. Water is slower to heat (or cool) than air or land. At the summer solstice, the Northern Hemisphere receives the most energy (highest intensity) from the Sun due to the angle of sunlight and day length. However, the land and oceans are still relatively cool, due to spring’s temperatures, so the maximum heating effect on air temperature is not felt just yet. Eventually, the land and, especially, oceans will release stored heat from the summer solstice back into the atmosphere. This usually results in the year’s hottest temperatures appearing in late July, August, or later, depending on latitude and other factors. This effect is called seasonal temperature lag.
Question: What is Midsummer Day (June 24)?
Answer: Around the time of the summer solstice, this day was the midpoint of the growing season, halfway between planting and harvest. Read more about the ancient Quarter Days!
In Sweden, people celebrate the Summer Solstice by eating the first strawberries of the season.
In ancient Egypt, summer was the start of the new year. The rising of the star Sirius roughly coincided with the summer solstice and the annual flooding of the Nile River.
Deep snow in winter, tall grain in summer.–Estonian proverb
When the summer birds take their flight, goes the summer with them.
If it rains on Midsummer’s Eve, the filbert crops will be spoiled.–Unknown
One swallow never made a summer.
Easterly winds from May 19 to the 21 indicate a dry summer.
If there are many falling stars during a clear summer evening, expect thunder. If there are none, expect fine weather.