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Spring 2024: what weather will be like after the equinox on March 20 ?

“Spring 2024: what is the weather like after the equinox of March 20?”

SPRING. The vernal equinox which takes place this Wednesday, March 20, 2024, marks the start of spring. Will the good weather be there?? Let's take stock of the weather that awaits us in the coming weeks.

[Mis à day March 20, 2024 à 12:45]The spring equinox marks the beginning of milder temperatures, the first buds, the first rays of sunshine, the greening trees and longer days in the Northern Misphere and beyond. Conversely, the start of low temperatures in the southern hemisphere. The start of spring is generally marked by milder temperatures “often more than 15 degrees” in the north of France. 

We take stock of the major weather trends that await us this spring. Explanations around the phenomenon, relationship with spring, time and date…hellip; Here are all the keys to understanding the equinox.

  • March 2024:

After a marked start to the month With heavy rain and gray weather, the month of March saw temperatures above 100%. normalcy and the return of the sun since the equinox. But let's not rejoice too quickly: Spring weather can sometimes be more capricious. A cold snap, with up to minus 10 degrees in certain departments is announced this weekend by Météo France :

"Minimum temperatures are on average 5 °C and maximums 12 °C" during this month of March, announces the Météo channel.

  • April 2024:

The disturbances of March will not subside in April with a difficult return of the fa&ccedil anticyclone ;on sustainable. This unstable weather will also be present until half of the year. south of the country. "You should expect " 23% of the time threatened by generally heavy rain. For this month of April, the minimum temperatures are on average 8 °C and the maximums of 16 °C", announces the Weather channel.

  • May 2024:

The month of May should be marked by 18 sunny days but you should expect more. 29% of the time threatened by strong disturbances. For this month of May, "the minimum temperatures are on average 11 °C and the maximums 19 ° ;This, announces the Weather channel.

  • And after…

Although weather trends are difficult to predict. plan à more than three months, the beginning of summer 2024 s'announcement dry with only an estimate of  3  8 days of rain on average in France in June.

From an astronomical point of view, spring begins at the time of the vernal equinox, which can occur between the 19th and 21st. nbsp;March. It lasts until the summer solstice. What makes spring last &agrav; about three months. The date of the equinox is calculated for each year by astronomers and mathematicians. It's about predicting the exact moment when The plane of the equator and that of the Earth's trajectory coincide. A calculation made necessary by the discrepancy between our calendar, our time system and the movements of the stars. First, the Earth's orbit is not perfectly circular, which means that depending on its position on this orbit, the Earth can be more or less less close to the sun (between 147 million kilometers minimum and 152 million kilometers maximum). Voilaà which inevitably makes the durations of each season very irregular and therefore the variable spring date.

Another explanation: the Earth does not take exactly 365 days to recover. go around the sun.In this respect our Gregorian calendar, established in the 16th century, is far too simplistic. In fact, it takes exactly 365.2422 days (365 days, 5 hours and 46 minutes) for us to have made the complete tour of the world. #39;star! We are therefore obliged to add time to this task. others on February 29 (during leap years) to correct in part (and only in part) this shift. A one-off addition that artificially pushes back the spring date by one day during leap years. Which explains why astronomers have "advanced" to March 20 last year. And let the situation present itself to you. new this year.

When the Julian calendar was established by Caesar, in 45 BCE, the spring equinox had oacute;summer set for March 25, based on imprecise observations at the time. But the absence of February 29 in this ancient calendar ended up moving this date to March 11 in the 16th century. .. It was not until the establishment of the Gregorian calendar (the one we use today), in 1582, that the Gregorian calendar (the one we use today) was established in 1582. a date approaching March 21 was announced. chosen.

The date of spring "common" should not be confused with that of meteorological spring, which begins each year on March 1, allowing meteorologists to make their seasonal calculations ahead of time. on the scale of entire months. In meteorology, we consider that spring begins on March 1 and ends on May 31: in this discipline, we characterize identifies spring as a period of warming temperatures (in our latitudes) and an increase in the length of daylight. It's also one of the most difficult seasons in the world. analyze in this discipline. However, it is the equinox which continues to unfold. mark the advent of spring in people's minds. As evidenced by the demonstrations organized around March 20 in France, start with the Spring of Cinema.

What is the definition of spring equinox?

The word équinoxe comes from Latin "æquinoctium" ("equal night") because the most visible phenomenon for man is that the length of the day becomes identical to that of the day. that of the night. The reason for this phenomenon? The equinox corresponds to the time of the year when The Sun crosses the equatorial plane of the earth. The star is then to the nith of the Equator, which allows day and night to be seen. the night to share time à equal parts. And this in both hemispheres, south and north. For our part, the days are getting longer and we are at a loss. halfway between the short days of December and the long days of June. During the equinox, the axis of rotation of the Earth on itself and the axis of rotation of the Earth around the Sun therefore correspond exactly . On our planet, during the equinox, our star appears right on the horizon. the east & dawn only to disappear right away west.

This phenomenon is also linked to &agrav; geometry. The Earth's axis of rotation is naturally tilted. of 23.4° relative to the plane of its orbit. In other words, our planet is "leaning" with respect to the plane on which it revolves around the Sun(see diagram below). The star therefore illuminates it differently depending on the time of the year. This phenomenon explains why the days lengthen or shorten between summer and summer. and winter. This also gives rise to seasons, due to the warming or cooling of air masses and oceans depending on the time spent. every day under the rays of the sun. The distance between the sun and the Earth, however, has no direct link with temperature. Know for example that the Earth reaches the closest point to the sun (the perihelion) on January 3, it is say in the heart of our winter.

Spring 2024: what weather will be like after the equinox on March 20 ?

It is the tilt of the Earth that causes the seasons to change. © Peter Hermes Furian/123RF

The equinox occurs twice a year: between March 19 and 21 (spring or vernal equinox) and between March 22 ;and September 23 (autumn equinox).In spring the duration of sunshine increases. the equinox to reach 4 p.m. the end of June, during the summer solstice. Conversely, the autumnal equinox begins a period of reduction of the day which descends to &agrav; barely more than 8 hours at the winter solstice, around December 21. During the equinox, however, there is no jealousy: day and night are supposed to last 12 hours sharp each. These data nevertheless vary slightly since the shape of the Earth is not perfectly regular and the shape of the Earth is not perfectly regular. The atmosphere slightly deflects the sun's rays. Thus, &agrav; Paris, March 20, last year, the sun rose. &agrav; 6:52 a.m. to go to bed & 7:03 p.m. The length of the day was therefore very slightly longer than usual. 12 hours. It is also at the time of the equinoxes that the length of the day increases/decreases most quickly in our latitudes.

Spring equinox and pagan festival are closely linked. Thus, different celebrations of the vernal equinox around March 21 have existed. in very ancient times, some of which still survive today. Among them, bonfires which symbolize liberation from darkness. of winter; or the cakes offered to guests a deity; when it is not a straw mannequin that we burn or put to death; water, as if to "destroy" winter.

Now that you know everything about the vernal equinox , learn more about the autumnal equinox! Linternaute.com also invites you to discover our files on the summer solstice and the winter solstice

Teilor Stone

By Teilor Stone

Teilor Stone has been a reporter on the news desk since 2013. Before that she wrote about young adolescence and family dynamics for Styles and was the legal affairs correspondent for the Metro desk. Before joining Thesaxon , Teilor Stone worked as a staff writer at the Village Voice and a freelancer for Newsday, The Wall Street Journal, GQ and Mirabella. To get in touch, contact me through my teilor@nizhtimes.com 1-800-268-7116