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Sibolga, Indonesia

Full City Profile

91,265 Population 21,939/sq mi density
20 ft Elevation 6 meters
78°F Avg Temperature 26°C
Sibolga has a warm climate with an average annual temperature of 78°F (26°C). Winters average 78°F in January while summers reach 78°F in July. The area gets 100 sunny days per year. Annual precipitation totals 135.5 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 78°F Jul (26°C)
Annual Average78.1°F
45% above US avg
January Average78°F (26°C)
July Average78°F (26°C)
Sunny Days100 days/yr

Geography

Elevation20 ft (6 m)
Area4.2 sq mi (10.8 km²)
Population Density21,939/sq mi
Coordinates1.7402°N, 98.7812°W
TimezoneAsia/Jakarta

Precipitation & Snow

Annual Rainfall 135.5"
257% above US avg
Snowfall 0.0"
Wettest Month (Nov) 14.88"
Driest Month (Jun) 7.09"

Air Quality

Earthquake History

658 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.7. Most recent: M4.3 on Aug 23, 2025.

May 14, 2005 125 km SW of Padangsidempuan, Indonesia M6.7 133 km
Apr 16, 2005 54 km SSW of Singkil, Indonesia M6.4 125 km
Apr 3, 2005 33 km SSE of Singkil, Indonesia M6.3 98 km
Apr 3, 2023 77 km SW of Padangsidempuan, Indonesia M6.1 100 km
Jan 15, 2023 40 km SE of Singkil, Indonesia M6.1 91 km
Mar 28, 2005 136 km SW of Sibolga, Indonesia M6.1 136 km
May 19, 2008 31 km NNW of Padangsidempuan, Indonesia M6.0 42 km
Mar 7, 2007 39 km SSE of Singkil, Indonesia M5.9 100 km
May 1, 2014 41 km SSE of Singkil, Indonesia M5.9 94 km
Mar 28, 2005 133 km SW of Sibolga, Indonesia M5.8 134 km
May 8, 2015 83 km S of Singkil, Indonesia M5.7 100 km
Jun 14, 2011 38 km ENE of Sibolga, Indonesia M5.6 38 km
Apr 4, 2005 76 km S of Singkil, Indonesia M5.6 102 km
Jan 9, 2003 119 km SW of Padangsidempuan, Indonesia M5.5 135 km
Sep 1, 2016 117 km SW of Padangsidempuan, Indonesia M5.5 133 km
Mar 29, 2005 44 km N of Padangsidempuan, Indonesia M5.5 48 km
Jun 14, 2011 50 km N of Padangsidempuan, Indonesia M5.5 50 km
May 12, 2003 47 km WSW of Padangsidempuan, Indonesia M5.5 68 km
May 3, 2014 46 km SSE of Singkil, Indonesia M5.4 102 km
Feb 23, 2009 128 km SW of Padangsidempuan, Indonesia M5.4 143 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1892 NORTHEAST SUMATRA Earthquake 116 km
1843 SW. SUMATRA Earthquake 91 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Lubukraya (56 km).

Name Type Elevation Last Eruption Distance
Lubukraya Stratovolcano 1,862 m (6,109 ft) Unknown 56 km
Sibualbuali Stratovolcano 1,819 m (5,968 ft) Unknown 57 km
Toba Caldera 2,157 m (7,077 ft) Unknown 94 km
Sorikmarapi Stratovolcano 2,145 m (7,037 ft) 1986 144 km
Sinabung Stratovolcano 2,460 m (8,071 ft) 2019 165 km
Singkut Caldera(s) 2,181 m (7,156 ft) 1881 171 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 10.3 in
February 78°F (26°C) 9.8 in
March 79°F (26°C) 13.0 in
April 79°F (26°C) 13.4 in
May 79°F (26°C) 9.8 in Warmest
June 79°F (26°C) 7.1 in Driest
July 78°F (26°C) 8.9 in
August 78°F (25°C) 8.6 in
September 77°F (25°C) 12.2 in
October 77°F (25°C) 14.1 in Coldest
November 77°F (25°C) 14.9 in Wettest
December 78°F (25°C) 13.4 in

Sibolga has a seasonal temperature swing of 2°F / from 77°F in October to 79°F in May. Total annual precipitation is 135.5 inches, with November being the wettest month (14.9") and June the driest (7.1").

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