When does Xi 'an start to get hot?

In Xi 'an, it gets hot in June. According to relevant public information, since the beginning of June, Shaanxi has experienced a large range of high-temperature weather, which experienced the hottest xi 'an in June in 195 1 year, and suffered a continuous blow of 40℃+, among which the highest temperature on July 9 was "climbing the peak", and it seemed to enter the "oven" when going out.