Meteorologically seasons are quarters of the annual temperature cycle, [1] centered on the season characteristic temperatures, which trail equinox and solstice. A season is a division of the year [2] based on changes in weather, ecology, and the number of daylight hours in a given region. The Four Seasons The year is commonly divided into four seasons: spring, summer, fall (or autumn), and winter.

Understanding the Context

Because we divide a year into 12 months, each season lasts about three months. However, the dates when the seasons begin and end vary depending on whom you ask. Two methods are most commonly used to define the dates of the seasons: the astronomical definition and the meteorological ... Exact time and date of the September equinox and other seasons.

Key Insights

When is the first day of Autumn and when does each season start. Seasons and Dates in the US: A Complete Guide to Weather Changes Across ... Seasons. Watch here when spring, summer, autumn and winter begins and ends. Both the Astronomical and Meteorological seasons are listed here.

Final Thoughts

The four seasons are spring, summer, winter and fall. Each season lasts approximately 3 months and corresponds to a period of the year which has a relative constancy in terms of temperature and climate. The season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices. We are currently in spring since . The next change of season will ... Throughout the year, different parts of Earth receive the Sun's most direct rays.

So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere. Earth’s tilted axis creates seasons.