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Gunungsitoli, Indonesia

Full City Profile

136,707 Population 1,261/sq mi density
46 ft Elevation 14 meters
79°F Avg Temperature 26°C
Gunungsitoli has a warm climate with an average annual temperature of 79°F (26°C). Winters average 79°F in January while summers reach 78°F in July. The area gets 115 sunny days per year. Annual precipitation totals 127.5 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 78°F Jul (26°C)
Annual Average78.6°F
46% above US avg
January Average79°F (26°C)
July Average78°F (26°C)
Sunny Days115 days/yr

Geography

Elevation46 ft (14 m)
Area108.4 sq mi (280.8 km²)
Population Density1,261/sq mi
Coordinates1.2888°N, 97.6143°W
TimezoneAsia/Jakarta

Precipitation & Snow

Annual Rainfall 127.5"
235% above US avg
Snowfall 0.0"
Wettest Month (Oct) 15.55"
Driest Month (Feb) 7.36"

Air Quality

Earthquake History

2,189 earthquakes (M2.5+) within 150 km since 1990. Strongest: M8.6. Most recent: M4.4 on Aug 24, 2025.

Mar 28, 2005 78 km WSW of Singkil, Indonesia M8.6 105 km
Apr 6, 2010 75 km E of Sinabang, Indonesia M7.8 137 km
May 19, 2005 89 km WSW of Singkil, Indonesia M6.9 101 km
May 16, 2006 256 km SSW of Singkil, Indonesia M6.8 147 km
Jul 5, 2005 94 km WSW of Singkil, Indonesia M6.7 84 km
May 14, 2005 125 km SW of Padangsidempuan, Indonesia M6.7 122 km
Apr 16, 2005 54 km SSW of Singkil, Indonesia M6.4 58 km
Jul 27, 2006 96 km SW of Singkil, Indonesia M6.3 70 km
Apr 3, 2005 33 km SSE of Singkil, Indonesia M6.3 89 km
Apr 25, 2006 87 km SE of Sinabang, Indonesia M6.3 104 km
Jan 22, 2008 146 km SSW of Singkil, Indonesia M6.2 36 km
Apr 28, 2005 60 km SE of Sinabang, Indonesia M6.2 130 km
May 11, 2004 181 km SW of Sibolga, Indonesia M6.1 100 km
Mar 28, 2005 136 km SW of Sibolga, Indonesia M6.1 49 km
Jan 26, 2011 58 km ESE of Sinabang, Indonesia M6.1 134 km
Jan 15, 2023 40 km SE of Singkil, Indonesia M6.1 88 km
Apr 11, 2005 54 km SE of Sinabang, Indonesia M6.1 136 km
Jun 8, 2005 51 km SE of Sinabang, Indonesia M6.1 139 km
Apr 3, 2023 77 km SW of Padangsidempuan, Indonesia M6.1 145 km
Sep 1, 2000 117 km SSE of Sinabang, Indonesia M6.0 115 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 4.2 m (14 ft).

Year Location Cause Max Wave Deaths Distance
2005 INDONESIA Earthquake 4.2 m 1,319 105 km
2010 SUMATRA Earthquake 0.4 m — 137 km
1861 SW. SUMATRA Earthquake — 950 149 km
1861 SW. SUMATRA Earthquake — — 35 km
1861 SW. SUMATRA Earthquake — — 35 km
1843 SW. SUMATRA Earthquake — — 49 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Lubukraya (179 km).

Name Type Elevation Last Eruption Distance
Lubukraya Stratovolcano 1,862 m (6,109 ft) Unknown 179 km
Sibualbuali Stratovolcano 1,819 m (5,968 ft) Unknown 185 km
Toba Caldera 2,157 m (7,077 ft) Unknown 197 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 8.9 in
February 79°F (26°C) 7.4 in Driest
March 79°F (26°C) 9.7 in
April 80°F (26°C) 10.9 in Warmest
May 80°F (26°C) 8.5 in
June 79°F (26°C) 7.9 in
July 78°F (26°C) 8.7 in
August 78°F (26°C) 9.9 in
September 78°F (25°C) 11.7 in Coldest
October 78°F (26°C) 15.6 in Wettest
November 78°F (26°C) 15.5 in
December 78°F (26°C) 12.8 in

Gunungsitoli has a seasonal temperature swing of 2°F / from 78°F in September to 80°F in April. Total annual precipitation is 127.5 inches, with October being the wettest month (15.6") and February the driest (7.4").

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