Youyu County

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Youyu County
右玉县
County
Youyu is located in Shanxi
Youyu
Youyu
Location in Shanxi
Coordinates: 39°59′20″N 112°28′01″E / 39.989°N 112.467°E / 39.989; 112.467Coordinates: 39°59′20″N 112°28′01″E / 39.989°N 112.467°E / 39.989; 112.467
Country People's Republic of China
Province Shanxi
Prefecture-level city Shuozhou
Time zone China Standard (UTC+8)

Youyu (Chinese: 右玉; pinyin: Yòuyù) is a county of northwestern Shanxi, People's Republic of China, bordering Inner Mongolia to the north and west. It is under the administration of Shuozhou City.

Geography and climate[edit]

Elevations are generally higher in the south of the county, in which flows the Cangtou River (苍头河); Youyu reaches a north-south extent of 67.7 km (42.1 mi) and east-west width of 45.7 km (28.4 mi). The Great Wall demarcates the northwestern border with Inner Mongolia's Liangcheng and Horinger counties; within the province, Youyu borders Zuoyun County to the east, Shanyin County and Pinglu District to the south.

Youyu has a monsoon-influenced, humid continental climate (Köppen Dwb), with cold and very dry winters, and warm, humid summers. The monthly 24-hour average temperature ranges from −14.4 °C (6.1 °F) in January to 19.5 °C (67.1 °F) in July, and the annual mean is 3.93 °C (39.1 °F). June thru September accounts for over three-fourths of the 410 millimetres (16 in) of annual precipitation. Due to the high elevation and dry climate, the diurnal temperature variation averages 16 °C (29 °F) annually.

Climate data for Youyu County (1971−2000)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) −4.9
(23.2)
−1.1
(30)
5.5
(41.9)
14.5
(58.1)
21.4
(70.5)
25.2
(77.4)
26.3
(79.3)
24.6
(76.3)
19.9
(67.8)
13.3
(55.9)
4.2
(39.6)
−2.9
(26.8)
12.2
(53.9)
Average low °C (°F) −22.4
(−8.3)
−18.6
(−1.5)
−10.5
(13.1)
−2.9
(26.8)
3.7
(38.7)
9.2
(48.6)
12.7
(54.9)
11.1
(52)
4.4
(39.9)
−2.5
(27.5)
−11.1
(12)
−19
(−2)
−3.8
(25.1)
Precipitation mm (inches) 2.2
(0.087)
3.5
(0.138)
9.9
(0.39)
17.5
(0.689)
34.0
(1.339)
60.2
(2.37)
107.0
(4.213)
98.0
(3.858)
50.9
(2.004)
18.7
(0.736)
7.0
(0.276)
1.5
(0.059)
410.4
(16.159)
Avg. precipitation days (≥ 0.1 mm) 2.3 3.4 5.4 4.7 6.4 9.8 14.1 13.0 8.7 5.6 3.6 2.2 79.2
Source: Weather China

References[edit]