When does Gansu enter summer?

May. According to relevant public information, "before analyzing the causes of the weather, let's take a look at this wave of warming." Fu told reporters that this round of warming weather began on April 29, starting from Hexi and extending from west to east to Hedong and most of Gansu. As early as April 29th, the temperature in Dunhuang and Guazhou in the west of Hexi Corridor exceeded 30℃. On May 1 day, except Gannan, Dingxi and Linxia in Gansu, dry and hot weather above 30℃ occurred in other places, and high temperature of 35℃ occurred in Dunhuang. On May 2nd, the highest temperature in Lanzhou reached 32.9℃, and that in Wudu reached 33.6℃. On May 1-3, the average daily temperature in Longnan, Tianshui, Qingyang and Pingliang exceeded 22℃. According to the standard of entering summer in meteorology, if the daily average temperature in these places is above 22℃ for five consecutive days, it will officially enter the summer in meteorological standards.