When did Gejiu city start to get cold?

65438+1October 9 to 1 1. On the afternoon of June 7th 10, the important weather news released by Jiushi Meteorological Observatory was affected by cold air. Forecast the temperature drop in Gejiu from June 9th to June 30th 1 1. Gejiu is a city under the jurisdiction of Honghe Hani and Yi Autonomous Prefecture, Yunnan Province, China, located at 102 54' to 103 20 east longitude. "Gejiu" evolved from the transliteration of the Yi language "Guozuo", which means the place where buckwheat seeds are planted and buckwheat rice is eaten.