Jombang, Jombang

Jombang
Great Mosque of Jombang
Jombang Location in East Java and Indonesia Jombang Jombang (Indonesia)
Coordinates: 7°32′18″S 112°14′17″E
Country	Indonesia
Province	East Java
Regency	Jombang Regency
District	Jombang District
Area
• Total	15.29 sq mi (39.59 km2)
Elevation	138 ft (42 m)
Population  (mid 2025 estimate)
• Total	144,090
• Density	9,426/sq mi (3,640/km2)
Time zone	UTC+7 (Indonesia Western Standard Time)

Jombang is a large town and an administrative district (kecamatan) and the regency seat of Jombang Regency, East Java, Indonesia. It covers an area of 39.59 km² and it had a population of 137,233 at the 2010 Census and 139,831 at the 2020 Census, while the official estimate as of mid 2025 was 144,090.

Climate

Jombang has a tropical savanna climate (Aw) with moderate to little rainfall from May to October and heavy rainfall from November to April.

Climate data for Jombang
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	30.0 (86.0)	30.0 (86.0)	30.3 (86.5)	30.8 (87.4)	31.0 (87.8)	31.0 (87.8)	30.9 (87.6)	31.6 (88.9)	32.4 (90.3)	32.7 (90.9)	31.8 (89.2)	30.7 (87.3)	31.1 (88.0)
Daily mean °C (°F)	26.0 (78.8)	26.0 (78.8)	26.2 (79.2)	26.4 (79.5)	26.3 (79.3)	25.8 (78.4)	25.5 (77.9)	25.8 (78.4)	26.6 (79.9)	27.2 (81.0)	26.8 (80.2)	26.4 (79.5)	26.3 (79.2)
Mean daily minimum °C (°F)	22.1 (71.8)	22.1 (71.8)	22.1 (71.8)	22.1 (71.8)	21.6 (70.9)	20.7 (69.3)	20.1 (68.2)	20.1 (68.2)	20.8 (69.4)	21.7 (71.1)	21.9 (71.4)	22.1 (71.8)	21.5 (70.6)
Average rainfall mm (inches)	319 (12.6)	320 (12.6)	280 (11.0)	150 (5.9)	99 (3.9)	44 (1.7)	26 (1.0)	20 (0.8)	17 (0.7)	53 (2.1)	128 (5.0)	256 (10.1)	1,712 (67.4)
Source: Climate-Data.org