Ulan County

"Wulan" redirects here. For other uses, see Wulan (disambiguation).

Ulan or Wulan (Mongolian: ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ; Tibetan: དབུས་ལམ་རྫོང་།; Chinese: 乌兰县) is a county of Qinghai Province, China. It is under the administration of Haixi Mongol and Tibetan Autonomous Prefecture. County seat is Xireg.

Ulan County ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ · དབུས་ལམ་རྫོང་། · 乌兰县 Wulan
County
Chaka Salt Lake, Ulan County
Location of Ulan County (red) within Haixi Prefecture (yellow) and Qinghai
Ulan Location of the county seat in Qinghai
Coordinates: 36°49′N 98°17′E
Country	China
Province	Qinghai
Autonomous prefecture	Haixi
County seat	Xireg
Area
• Total	12,858.16 km2 (4,964.56 sq mi)
Population  (2020)
• Total	31,507
• Density	2.5/km2 (6.3/sq mi)
	[1]
Time zone	UTC+8 (China Standard)
Website	www.wulanxian.gov.cn

Ulan County
Chinese name
Simplified Chinese	乌兰县
Traditional Chinese	烏蘭縣
Transcriptions Standard Mandarin Hanyu Pinyin Wūlán Xiàn
Tibetan name
Tibetan	དབུས་ལམ་རྫོང་།
Transcriptions Wylie dbus lam rdzong Tibetan Pinyin ü lam dzong
Mongolian name
Mongolian script	ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ
Transcriptions SASM/GNC Ulaγan siyan

The name of the county comes from a Mongolian word which means "red".

Administrative divisions

Ulan County is divided into 4 towns.

Name	Simplified Chinese	Hanyu Pinyin	Tibetan	Wylie	Mongolian (traditional script)	Mongolian (Cyrillic)	Administrative division code
Towns
Xireg Town (Xirig, Xiligou)	希里沟镇	Xīlǐgōu Zhèn			ᠰᠢᠷᠢᠭᠢ ᠪᠠᠯᠭᠠᠰᠤ	Ширх балгас	632821100
Qaka Town (Chaka, Caka)	茶卡镇	Chákǎ Zhèn	ཚྭ་ཁ་གྲོང་རྡལ།	tshwa kha grong rdal	ᠴᠠᠺᠠ ᠪᠠᠯᠭᠠᠰᠤ	Цака балгас	632821101
Hohod Town (Keke)	柯柯镇	Kēkē Zhèn			ᠬᠥᠬᠡᠳ ᠪᠠᠯᠭᠠᠰᠤ	Хээд балгас	632821102
Tongpu Town (Toinbo)	铜普镇	Tóngpǔ Zhèn	མཐོན་པོ་གྲོང་རྡལ།	mthon po grong rdal	ᠲᠤᠩᠫᠦ᠋ ᠪᠠᠯᠭᠠᠰᠤ	Тунпу балгас	632821103

Other: Mohe Livestock Farm, Haixi Prefecture (海西州莫河畜牧场)

Climate

Climate data for Ulan, elevation 2,950 m (9,680 ft), (1991–2020 normals)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	−1.8 (28.8)	2.7 (36.9)	7.8 (46.0)	13.8 (56.8)	17.8 (64.0)	20.8 (69.4)	23.1 (73.6)	23.0 (73.4)	18.9 (66.0)	12.2 (54.0)	5.0 (41.0)	−0.6 (30.9)	11.9 (53.4)
Daily mean °C (°F)	−10.6 (12.9)	−5.8 (21.6)	−0.1 (31.8)	6.1 (43.0)	10.8 (51.4)	14.1 (57.4)	16.2 (61.2)	15.7 (60.3)	11.3 (52.3)	4.0 (39.2)	−3.6 (25.5)	−9.5 (14.9)	4.1 (39.3)
Mean daily minimum °C (°F)	−17.2 (1.0)	−12.7 (9.1)	−6.8 (19.8)	−0.9 (30.4)	3.9 (39.0)	7.9 (46.2)	10.2 (50.4)	9.7 (49.5)	5.4 (41.7)	−2.2 (28.0)	−9.9 (14.2)	−15.9 (3.4)	−2.4 (27.7)
Average precipitation mm (inches)	2.2 (0.09)	2.2 (0.09)	3.6 (0.14)	6.9 (0.27)	25.8 (1.02)	43.1 (1.70)	54.2 (2.13)	38.3 (1.51)	22.4 (0.88)	4.6 (0.18)	1.7 (0.07)	0.9 (0.04)	205.9 (8.12)
Average precipitation days (≥ 0.1 mm)	2.9	2.3	2.9	3.3	7.3	11.1	11.6	9.5	6.6	2.5	1.5	1.3	62.8
Average snowy days	4.0	3.2	4.3	3.8	2.0	0.2	0.1	0.1	0.1	1.8	2.2	2.2	24
Average relative humidity (%)	43	35	31	33	40	51	56	54	51	40	40	41	43
Mean monthly sunshine hours	223.7	215.4	244.8	267.9	276.6	251.7	263.0	260.0	240.4	257.8	237.3	227.5	2,966.1
Percentage possible sunshine	72	70	65	67	63	57	59	63	66	75	79	76	68
Source: China Meteorological Administration[2][3]

Climate data for Chaka, Ulan County, elevation 3,088 m (10,131 ft), (1991–2020 normals)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	−2.2 (28.0)	1.7 (35.1)	6.8 (44.2)	12.7 (54.9)	16.6 (61.9)	19.2 (66.6)	21.5 (70.7)	21.3 (70.3)	17.2 (63.0)	10.9 (51.6)	4.1 (39.4)	−1.0 (30.2)	10.7 (51.3)
Daily mean °C (°F)	−10.9 (12.4)	−7.1 (19.2)	−1.8 (28.8)	4.5 (40.1)	9.2 (48.6)	12.5 (54.5)	14.9 (58.8)	14.3 (57.7)	9.9 (49.8)	2.6 (36.7)	−5.0 (23.0)	−9.8 (14.4)	2.8 (37.0)
Mean daily minimum °C (°F)	−18.2 (−0.8)	−14.7 (5.5)	−9.2 (15.4)	−3.3 (26.1)	2.1 (35.8)	6.4 (43.5)	9.0 (48.2)	8.4 (47.1)	4.1 (39.4)	−4.1 (24.6)	−12.1 (10.2)	−16.9 (1.6)	−4.0 (24.7)
Average precipitation mm (inches)	1.2 (0.05)	1.8 (0.07)	3.3 (0.13)	7.5 (0.30)	26.3 (1.04)	51.3 (2.02)	58.8 (2.31)	48.2 (1.90)	27.2 (1.07)	4.9 (0.19)	1.4 (0.06)	0.5 (0.02)	232.4 (9.16)
Average precipitation days (≥ 0.1 mm)	1.9	2.0	2.7	3.6	8.4	12.2	13.6	11.0	7.8	2.6	0.9	0.7	67.4
Average snowy days	2.8	2.9	4.3	4.0	2.4	0.2	0	0	0	1.8	1.7	1.2	21.3
Average relative humidity (%)	36	33	31	33	44	55	59	58	56	43	35	35	43
Mean monthly sunshine hours	231.2	221.4	255.2	269.9	267.5	233.5	248.5	253.2	235.7	261.3	245.1	233.5	2,956
Percentage possible sunshine	75	72	68	68	61	53	56	61	64	76	81	78	68
Source: China Meteorological Administration[2][4]

Transportation

The county is served by the Qinghai-Tibet Railway, which has a station at the county seat. There is also a freight-only branch to the salt works on the Chaka Salt Lake near Chaka Town, in the southeastern part of the county.