When will it frost in Keshan County, Qiqihar, Heilongjiang Province?

From mid-September to early 10. According to the latest financial information, for Heilongjiang Province, the first frost generally appears from late August to early September in the north of Daxing 'anling and from early September to early September in the south of Daxing 'anling. Heihe and Yichun are from the end of early September to the end of September, in which Sun Frost is earlier; Individual cities and counties in northern Qiqihar, northern Suihua, eastern Harbin and Mudanjiang mountainous areas are around mid-September; 10 in Sanjiang area from late September to early June; Other areas are from the end of September to the beginning of 10. Keshan County belongs to Qiqihar City, Heilongjiang Province. Located in the west of Heilongjiang Province, northeast of Qiqihar City.