Astronomers define spring based on the Earth's orbit and tilt relative to the sun. It begins on the (when day and night are nearly equal) and ends at the summer solstice . Meteorological Versus Astronomical Seasons | News
Here are the traditional seasonal months: how many months are in spring
If you’ve ever heard of the vernal equinox , you’re already familiar with astronomical seasons. This system defines spring based on Earth’s position relative to the Sun. Astronomers define spring based on the Earth's orbit
Meteorologists and climatologists divide the seasons into groups of three full months based on the annual temperature cycle. This makes it much easier to track weather statistics from year to year. This system defines spring based on Earth’s position
At first glance, the question seems simple: spring lasts three months. But ask a meteorologist, an astronomer, or a farmer, and you might get three different answers. While the calendar neatly divides the year into four three-month seasons, the true length of spring is a matter of perspective—science, tradition, and even the weather.