Longzhou County (Zhuang: Lungzcouh Yen) is a county of southwestern Guangxi, China, bordering Cao Bằng province, Vietnam. It is under the jurisdiction of the prefecture-level city of Chongzuo. Longzhou lies in a circular valley at the junction of the Xun and Gui rivers.

Geography and climate

Longzhou has a monsoon-influenced humid subtropical climate (Köppen Cwa), with short, mild winters, and long, very hot and humid summers. Winter begins dry but becomes progressively wetter and cloudier. Spring is generally overcast and often rainy, while summer continues to be rainy though is the sunniest time of year. Autumn is sunny and dry. The monthly 24-hour average temperature ranges from 14.7 °C in January to 29.2 °C in July, and the annual mean is 23.12 °C. The annual rainfall is just above 1300 mm, a majority of which is delivered from June to August. With monthly percent possible sunshine ranging from 16% in February and March to 50% in September, the county receives 1,583 hours of bright sunshine annually.

Administrative divisions

Longzhou County has 5 towns and 7 townships under its jurisdiction.