Astronomically, summer enters the northern half of the Earth, with the sun perpendicular to the Cancer, and the Sun entering the Cancer space from idiomatic constellations.
Ibrahim Al Jarwan, a member of the Arab Federation for Space Science and Astronomy, said that the summer enters astronomer this year on June 21 at 01:44 after midnight Emirates time and continues until September 23, when he enters the autumn season with the perpendicular sun on the equator.
He said that with the beginning of the summer, the shadow of the meridian in the Emirates and the middle of the Arabian Peninsula will diminish for the sun perpendicular to the orbit of the cancer at a latitude of 23.5 north, where it crosses these areas, and the shortest shadow of the meridian to be located in the areas north of the orbit of the cancer, as well as the longest daylight hours in the northern half From the ground with the beginning of the summer astronomically and the sun perpendicular to the orbit of the cancer in the north, then the hours of the day shrink and the night hours increase to the beginning of the winter astronomer with the perpendicular to the sun throughout the Capricorn in the south.
He added that on the evenings of the beginning of summer, the Galaxy appears as the Arabs from the eastern side, which is a belt of dense stars, as well as the “constellation of Scorpio” and the bright stars of the summer triangle .. As the earth witnesses distinct meteors that peak in this season and the most important of them are showers. Perseus "up to August 13.
The summer season is characterized by a hot air, and the average temperature at its beginning is 25 degrees at the minimum and 41 degrees at the maximum, then the air warms until the heat reaches 28 degrees 43 degrees in the middle of the season and reaches at its end to 21 and 39 degrees Celsius with an opportunity to repeat Affected by hot and dry waves in which the highest temperatures rise by at least 4 ° C above normal levels.
The northwest winds of Al Bawarh continue active until mid-July, then the "poison", which is hot and dry, is active. At the end of the season, the wet winds of the "kos" from the east and north-east towards the ocean intensify.
As for rain, it is rare in all regions, and rain is confined to the eastern mountainous regions of the country, where "winds" form along the Hajar mountain range and are caused by storms saturated with water vapor coming from the Indian Ocean, while humidity will increase at the end of the season.