Jangsu County

"Jangsu" redirects here. For the king of the ancient Korean kingdom of Goguryeo, see Jangsu of Goguryeo. For the province in China, see Jiangsu.

Jangsu County (Korean: 장수군; RR: Jangsu-gun) is a county in Jeonbuk State, South Korea. It is well known for Jangsu-Galbi.

Jangsu 장수군
County
Korean transcription(s)
• Hangul	장수군
• Hanja	長水郡
• Revised Romanization	Jangsu-gun
• McCune-Reischauer	Changsu-gun
Flag Emblem of Jangsu
Location in South Korea
Country	South Korea
Region	Honam
Administrative divisions	1 eup, 6 myeon
Area
• Total	533.64 km2 (206.04 sq mi)
Population  (September 2024[1])
• Total	24,277
• Density	41/km2 (110/sq mi)
• Dialect	Jeolla

Climate

Climate data for Jangsu (1991–2020 normals, extremes 1988–present)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	16.1 (61.0)	19.7 (67.5)	23.6 (74.5)	28.9 (84.0)	32.4 (90.3)	32.8 (91.0)	36.2 (97.2)	36.5 (97.7)	32.0 (89.6)	29.5 (85.1)	24.6 (76.3)	17.0 (62.6)	36.5 (97.7)
Mean daily maximum °C (°F)	3.0 (37.4)	5.8 (42.4)	11.2 (52.2)	17.8 (64.0)	22.7 (72.9)	25.9 (78.6)	27.9 (82.2)	28.6 (83.5)	24.8 (76.6)	19.6 (67.3)	12.5 (54.5)	5.3 (41.5)	17.1 (62.8)
Daily mean °C (°F)	−3.0 (26.6)	−0.8 (30.6)	4.3 (39.7)	10.5 (50.9)	16.0 (60.8)	20.1 (68.2)	23.3 (73.9)	23.4 (74.1)	18.3 (64.9)	11.6 (52.9)	5.4 (41.7)	−0.8 (30.6)	10.7 (51.3)
Mean daily minimum °C (°F)	−8.6 (16.5)	−6.6 (20.1)	−2.0 (28.4)	3.2 (37.8)	9.2 (48.6)	15.0 (59.0)	19.5 (67.1)	19.4 (66.9)	13.2 (55.8)	5.3 (41.5)	−0.6 (30.9)	−6.2 (20.8)	5.1 (41.2)
Record low °C (°F)	−25.7 (−14.3)	−25.8 (−14.4)	−13.3 (8.1)	−6.6 (20.1)	−0.7 (30.7)	4.5 (40.1)	9.1 (48.4)	10.6 (51.1)	2.1 (35.8)	−5.4 (22.3)	−12.0 (10.4)	−23.2 (−9.8)	−25.8 (−14.4)
Average precipitation mm (inches)	31.9 (1.26)	45.5 (1.79)	64.5 (2.54)	96.6 (3.80)	100.5 (3.96)	164.9 (6.49)	339.7 (13.37)	336.5 (13.25)	153.8 (6.06)	63.6 (2.50)	52.1 (2.05)	36.4 (1.43)	1,486 (58.50)
Average precipitation days (≥ 0.1 mm)	8.6	7.4	9.1	9.1	9.0	10.9	16.4	15.2	9.3	6.7	8.1	9.3	119.1
Average snowy days	10.8	8.7	4.0	0.8	0.0	0.0	0.0	0.0	0.0	0.4	2.7	7.6	35.2
Average relative humidity (%)	72.2	69.2	66.7	64.3	67.7	75.3	81.3	81.4	80.4	77.0	75.2	74.0	73.7
Mean monthly sunshine hours	155.4	169.6	201.2	213.5	229.1	177.5	139.5	153.2	157.0	179.5	152.2	143.8	2,071.5
Percentage possible sunshine	49.0	55.7	52.6	55.9	51.1	41.3	32.9	37.1	43.9	53.6	51.1	47.7	47.0
Source: Korea Meteorological Administration (snow and percent sunshine 1981–2010)[2][3][4]

Twin towns – sister cities

Jangsu is twinned with:

• Anyang, South Korea (1996)
• Hapcheon, South Korea (1999)
• Jinhae-gu, South Korea (1999)