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Weather & Climate in Sumbawa Besar, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
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 / relatively mild seasonal variation. The area gets 355 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 35.0 inches. The city sits at an elevation of 46 feet.
Temperature
80°F Jan (27°C)
80°F Jul (26°C)
| Annual Average | 81.1°F |
| 50% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 355 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 4,469.3 sq mi (11,575.5 km²) |
| Population Density | 14/sq mi |
| Coordinates | -8.4932°N, 117.4202°W |
| Timezone | Asia/Makassar |
Precipitation & Snow
Air Quality
Earthquake History
767 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Nov 8, 2009 | 29 km NNW of Bima, Indonesia | M6.6 | 137 km | 18 km |
| Oct 6, 2002 | 39 km NNW of Dompu, Indonesia | M6.3 | 107 km | 10 km |
| Feb 16, 2001 | 138 km N of Pototano, Indonesia | M6.1 | 148 km | 521 km |
| May 8, 2010 | 54 km NNW of Dompu, Indonesia | M5.9 | 103 km | 12 km |
| Nov 2, 1996 | 96 km NNW of Pototano, Indonesia | M5.8 | 105 km | 302 km |
| Mar 20, 1995 | 57 km NNW of Labuan Lombok, Indonesia | M5.8 | 115 km | 232 km |
| Feb 7, 2008 | 102 km N of Labuan Lombok, Indonesia | M5.7 | 121 km | 322 km |
| Oct 23, 1997 | 42 km ESE of Labuan Lombok, Indonesia | M5.7 | 48 km | 160 km |
| Mar 24, 1992 | 73 km N of Pototano, Indonesia | M5.6 | 83 km | 280 km |
| Feb 15, 1997 | 70 km N of Pototano, Indonesia | M5.6 | 79 km | 274 km |
| Mar 13, 2007 | 52 km NE of Pototano, Indonesia | M5.6 | 63 km | 10 km |
| Jul 31, 2016 | 43 km ENE of Pototano, Indonesia | M5.6 | 55 km | 21 km |
| Mar 17, 2019 | 18 km WNW of Labuan Lombok, Indonesia | M5.6 | 99 km | 10 km |
| Jan 3, 2003 | Sumbawa region, Indonesia | M5.5 | 49 km | 41 km |
| Oct 19, 1991 | 63 km SSW of Sumbawa Besar, Indonesia | M5.5 | 64 km | 97 km |
| Jun 14, 2009 | 86 km NNW of Pototano, Indonesia | M5.5 | 93 km | 17 km |
| Jan 23, 2003 | 30 km SSE of Dompu, Indonesia | M5.5 | 126 km | 33 km |
| May 21, 1992 | 34 km SE of Sumbawa Besar, Indonesia | M5.5 | 35 km | 143 km |
| May 31, 2019 | 132 km N of Pototano, Indonesia | M5.4 | 142 km | 572 km |
| Jan 8, 2016 | 109 km SSE of Sumbawa Besar, Indonesia | M5.4 | 110 km | 75 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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.
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).
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").