When the rainfall is abundant and the temperature rises significantly.

Climatic characteristics of awn: There is abundant rainfall in the season of awn, and the temperature rises obviously. Common weather disasters include tornadoes, hail, strong winds, heavy rains and droughts.

Rain: It is rainy along the river in the tent season, and the Huanghuai Plain is about to enter the rainy season. The middle and lower reaches of the Yangtze River have entered the rainy season one after another, with more rainy days, more rainfall, less sunshine and sometimes lower temperatures. Southwest China has also entered the rainy season of the year since June. At this time, the hail weather in the southwest and western plateau areas began to increase. Fan Chengda, a poet in the Song Dynasty, once wrote the poem "After planting awns, rain accumulates to quench thirst": "Merlin has crossed nine rivers, and the sea is vast. The farmland in Liangkuwu is wet and full of catkins every year. " Painted a picture of a rainy day, the river is full of ditches, and farmers braved the cold and covered with cotton wool to sow seedlings. Temperature: During this period, except for the Qinghai-Tibet Plateau and the northernmost part of Heilongjiang, people in most areas can generally feel the heat.