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Understanding the Context

Summer or summertime is the hottest and brightest of the four temperate seasons, occurring after spring and before autumn. At or centred on the summer solstice, daylight hours are the longest and darkness hours are the shortest, with day length decreasing as the season progresses after the solstice. The earliest sunrises and latest sunsets also occur near the date of the solstice. The date of ...

Key Insights

The Summer Solstice happens on Sunday, ! Find the answers to common questions, like: What is a solstice? Is the solstice the longest day of the year?—and more! summer, warmest season of the year, between spring and autumn. In the Northern Hemisphere, it is usually defined as the period between the summer solstice (year’s longest day), June 21 or 22, and the autumnal equinox (day and night equal in length), September 22 or 23; and in the Southern Hemisphere, as the period between December 22 or 23 and March 20 or 21.

Final Thoughts

The temperature contrast between ... summer begins on the summer solstice; fall (autumn) begins on the fall equinox; and winter begins on the winter solstice. The beginning of each season marks the end of the last. Because the timings of the equinoxes and solstices change each year, the length of astronomical seasons within a year and between years also vary. Summer is the **hottest season** of the year, marked by long daylight hours, warm temperatures, and vibrant natural beauty. It occurs in the **northern hemisphere between June and August** (December–February in the southern hemisphere) due to Earth’s **axial tilt** and orbit around the Sun.

Culturally, summer symbolizes **vacations, festivals, and outdoor activities**, while scientifically ...