What are the characteristics of summer?

(1) In summer, the weather is hot, sometimes it rains heavily, dawn is early and dark is late, and the days are long and the nights are short;

(2) In summer, all kinds of insects and small animals come out for activities, many birds begin to shed their hair, and many animals shed their hair;

(3) In summer, plants flourish;

(4) Summer is the busiest period for farmers, and they have to work in three summers (summer harvest, summer sowing and summer management);

(5) In summer, people wear light clothes and many people take an active part in swimming activities.

Related phenology:

In the hot summer, all kinds of creatures have come back to life, and most of them have started vigorous life activities. Many creatures will breed offspring in summer, various animals choose to mate and have children in summer, and plants compete to blossom and bear fruit. This is mainly due to the hottest climate in summer and abundant foods. For oviparous animals, eggs are easier to hatch.

Summer flowers: lotus, pomegranate, peony, gardenia, rhododendron,? Zhu Dinghong, the upside-down golden bell, Percy? , peony? Ross? , rose, calla lily, Milan, golden lotus? 、 ? White orchid? Hibiscus, Albizia Albizia, Lily and Abelmoschus manihot? Hosta, Platycodon grandiflorum, Scutellaria barbata, Lingxiao, Epiphyllum, Shandandan? 、

Lagerstroemia indica, mirabilis jalapa, morning glory, impatiens,? Evergreen, day lily, hydrangea, five-color pepper, Oleander, begonia? , Molly? Canna, Jiangxi wax? , honeysuckle, delphinium? Four-season begonia, spirit sword lotus, hibiscus, fig, etc.

Summer, the second of the four seasons, is also called "Hao Tian" in English, and it is the hottest season in the northern hemisphere. China is used to long summer as long summer, and meteorological summer will be postponed to long Xia Hou for about 25 days.

The ancients counted April, May and June of the lunar calendar as "summer"; Today, people regard June, July and August of the solar calendar as "summer". Westerners generally say that the summer of solstice is divided into summer. The scientific division method is that the average temperature above 22℃ is "summer". Accordingly, when the average temperature keeps below 22℃, summer is over. In the southern hemisphere, 65438+February, 65438+ 10 and February are generally designated as summer.

June 2 1 or 22 is the summer solstice, and the sun shines directly on the Tropic of Cancer. At this time, the noon sun height in the Tropic of Cancer and its northern latitude reaches the maximum in a year. The day length at each latitude reaches the maximum in a year. In the area north of the Arctic Circle, the sun never sets all day, resulting in extreme day. In the area south of the Antarctic Circle, the moon never sets all night, resulting in the phenomenon of extreme night.