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Sumbawa Besar, Indonesia

Full City Profile

62,753 Population 14/sq mi density
46 ft Elevation 14 meters
81°F Avg Temperature 27°C
Sumbawa Besar has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 80°F in July. The area gets 355 sunny days per year. Annual precipitation totals 35.0 inches. The area receives 0.0 inches of snow annually.

Temperature

80°F Jan (27°C) 80°F Jul (26°C)
Annual Average81.1°F
50% above US avg
January Average80°F (27°C)
July Average80°F (26°C)
Sunny Days355 days/yr

Geography

Elevation46 ft (14 m)
Area4,469.3 sq mi (11,575.5 km²)
Population Density14/sq mi
Coordinates-8.4932°N, 117.4202°W
TimezoneAsia/Makassar

Precipitation & Snow

Annual Rainfall 35.0"
8% below US avg
Snowfall 0.0"
Wettest Month (Jan) 11.18"
Driest Month (Jul) 0.31"

Air Quality

Earthquake History

767 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.5 on Aug 20, 2025.

Nov 8, 2009 29 km NNW of Bima, Indonesia M6.6 137 km
Oct 6, 2002 39 km NNW of Dompu, Indonesia M6.3 107 km
Feb 16, 2001 138 km N of Pototano, Indonesia M6.1 148 km
May 8, 2010 54 km NNW of Dompu, Indonesia M5.9 103 km
Nov 2, 1996 96 km NNW of Pototano, Indonesia M5.8 105 km
Mar 20, 1995 57 km NNW of Labuan Lombok, Indonesia M5.8 115 km
Feb 7, 2008 102 km N of Labuan Lombok, Indonesia M5.7 121 km
Oct 23, 1997 42 km ESE of Labuan Lombok, Indonesia M5.7 48 km
Mar 24, 1992 73 km N of Pototano, Indonesia M5.6 83 km
Feb 15, 1997 70 km N of Pototano, Indonesia M5.6 79 km
Mar 13, 2007 52 km NE of Pototano, Indonesia M5.6 63 km
Jul 31, 2016 43 km ENE of Pototano, Indonesia M5.6 55 km
Mar 17, 2019 18 km WNW of Labuan Lombok, Indonesia M5.6 99 km
Jan 3, 2003 Sumbawa region, Indonesia M5.5 49 km
Oct 19, 1991 63 km SSW of Sumbawa Besar, Indonesia M5.5 64 km
Jun 14, 2009 86 km NNW of Pototano, Indonesia M5.5 93 km
Jan 23, 2003 30 km SSE of Dompu, Indonesia M5.5 126 km
May 21, 1992 34 km SE of Sumbawa Besar, Indonesia M5.5 35 km
May 31, 2019 132 km N of Pototano, Indonesia M5.4 142 km
Jan 8, 2016 109 km SSE of Sumbawa Besar, Indonesia M5.4 110 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year Location Cause Max Wave Deaths Distance
1815 TAMBORA Astronomical 4.0 m 60,000 72 km
2018 BALI SEA Earthquake 2.5 m 17 104 km
2018 BALI SEA Earthquake 2.0 m 560 111 km
2018 BALI SEA Earthquake — 2 92 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Tambora (69 km).

Name Type Elevation Last Eruption Distance
Tambora Stratovolcano 2,850 m (9,350 ft) 1967 69 km
Rinjani Stratovolcano 3,726 m (12,224 ft) 2016 105 km
Sangeang Api Complex 1,912 m (6,273 ft) 2020 184 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 80°F (27°C) 11.2 in Wettest
February 80°F (27°C) 10.6 in
March 80°F (27°C) 9.4 in
April 81°F (27°C) 4.4 in
May 81°F (27°C) 2.2 in
June 80°F (27°C) 1.1 in
July 80°F (26°C) 0.3 in Coldest, Driest
August 80°F (26°C) 0.4 in
September 81°F (27°C) 0.7 in
October 83°F (28°C) 2.2 in Warmest
November 83°F (28°C) 6.1 in
December 81°F (27°C) 9.0 in

Sumbawa Besar has a seasonal temperature swing of 3°F / from 80°F in July to 83°F in October. Total annual precipitation is 57.6 inches, with January being the wettest month (11.2") and July the driest (0.3").

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