Yên Bái

Yên Bái

Thành phố Yên Bái
Yên Bái Thành phố Yên Bái
City (Class-3)
	Yên Bái City
	Interactive map outlining Yên Bái City
	Yên Bái Location of in Vietnam
	Coordinates: 21°42′N 104°52′E / 21.700°N 104.867°E
Country	Vietnam
Province	Yên Bái
Subdivision	9 wards and 6 rural communes
Area
• Total	108.15 km2 (41.76 sq mi)
Population (2019)
• Total	100,631
• Density	930/km2 (2,400/sq mi)
Climate	Cwa
Website	thanhphoyenbai.yenbai.gov.vn

Yên Bái (listen^ⓘ) is a city in Vietnam. It is the capital of Yên Bái Province, in the north-east region of Vietnam. The city borders Yên Bình District and Trấn Yên District. The city is a settlement along the banks of the Red River, approximately 183 km northwest of Hanoi. It is one of the important trading hubs between the highlands and the lowlands of Northern Vietnam.

History

At the end of the sixteenth century Yên Bái was a small village in Bach Lam district, Quy Hoa district, Hung Hoa province. On April 11, 1900, Yen Bai province was established by the French colonialist government. The city grew in size with the opening of the Hanoi–Lào Cai railway, which attracted many migrants.

On February 10, 1930, part of the 4th Regiment of Tonkinese Rifles stationed at Yen Bai mutinied against their French officers in the Yên Bái mutiny. They were suppressed by loyal troops from the same unit. This incident led to widespread disturbances against French rule across northeastern Vietnam during 1930–31.^[3]

Demographics

As of 2019, the city had a population of 100,631,^[2] covering an area of 108.15 km².

Administrative divisions

Yên Bái administers 9 wards and 6 rural communes:

Đồng Tâm
Hồng Hà
Hợp Minh
Minh Tân
Nam Cường
Nguyễn Phúc
Nguyễn Thái Học
Yên Ninh
Yên Thịnh

Rural communes:

Âu Lâu
Giới Phiên
Minh Bảo
Tân Thịnh
Tuy Lộc
Văn Phú

Climate

Climate data for Yên Bái
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	30.4 (86.7)	34.8 (94.6)	35.5 (95.9)	37.9 (100.2)	40.0 (104.0)	40.4 (104.7)	39.8 (103.6)	39.6 (103.3)	37.8 (100.0)	37.2 (99.0)	33.1 (91.6)	30.8 (87.4)	40.4 (104.7)
Mean daily maximum °C (°F)	19.2 (66.6)	20.3 (68.5)	23.2 (73.8)	27.2 (81.0)	31.3 (88.3)	32.7 (90.9)	32.6 (90.7)	32.5 (90.5)	31.5 (88.7)	28.8 (83.8)	25.3 (77.5)	21.6 (70.9)	27.2 (81.0)
Daily mean °C (°F)	15.8 (60.4)	17.1 (62.8)	19.9 (67.8)	23.6 (74.5)	26.8 (80.2)	28.2 (82.8)	28.2 (82.8)	27.8 (82.0)	26.7 (80.1)	24.3 (75.7)	20.8 (69.4)	17.3 (63.1)	23.0 (73.4)
Mean daily minimum °C (°F)	13.6 (56.5)	15.1 (59.2)	17.9 (64.2)	21.3 (70.3)	23.8 (74.8)	25.2 (77.4)	25.3 (77.5)	24.9 (76.8)	23.8 (74.8)	21.5 (70.7)	18.0 (64.4)	14.6 (58.3)	20.4 (68.7)
Record low °C (°F)	3.3 (37.9)	5.1 (41.2)	6.8 (44.2)	11.0 (51.8)	16.8 (62.2)	18.6 (65.5)	19.5 (67.1)	18.3 (64.9)	16.9 (62.4)	11.3 (52.3)	6.8 (44.2)	2.9 (37.2)	2.9 (37.2)
Average rainfall mm (inches)	36.3 (1.43)	40.8 (1.61)	72.6 (2.86)	123.1 (4.85)	222.9 (8.78)	262.4 (10.33)	309.0 (12.17)	364.2 (14.34)	272.9 (10.74)	163.6 (6.44)	62.8 (2.47)	29.9 (1.18)	1,960.6 (77.19)
Average rainy days	14.4	16.4	20.7	20.3	16.5	16.3	18.5	18.2	14.2	11.6	9.1	9.3	185.9
Average relative humidity (%)	87.2	88.0	88.5	87.9	84.3	84.6	85.6	86.2	85.6	85.2	85.0	84.8	86.1
Mean monthly sunshine hours	51.7	40.3	43.0	73.7	147.1	149.5	163.5	174.5	169.5	140.0	119.3	97.3	1,363.9
Source: Vietnam Institute for Building Science and Technology^[4]