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Weather & Climate in Borong, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Borong has a warm climate with an average annual temperature of 74°F (23°C). Winters average 79°F in January while summers reach 72°F in July / relatively mild seasonal variation. The area gets 360 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 27.1 inches (drier than the 38-inch national average). The city sits at an elevation of 105 feet.
Temperature
79°F Jan (26°C)
72°F Jul (22°C)
| Annual Average | 73.6°F |
| 36% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 360 days/yr |
Geography
| Elevation | 105 ft (32 m) |
| Area | 660.4 sq mi (1,710.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | -8.8125°N, 120.6097°W |
| Timezone | Asia/Makassar |
Precipitation & Snow
Air Quality
Earthquake History
738 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.8.
| Dec 12, 1992 | 37 km WNW of Maumere, Indonesia | M7.8 | 146 km | 28 km |
| Mar 25, 2003 | 46 km NE of Ruteng, Indonesia | M6.5 | 60 km | 33 km |
| Nov 8, 1998 | 41 km SW of Ende, Indonesia | M6.4 | 96 km | 33 km |
| Dec 12, 1992 | 33 km WNW of Maumere, Indonesia | M6.1 | 149 km | 21 km |
| Jun 3, 2008 | 57 km NE of Labuan Bajo, Indonesia | M6.0 | 90 km | 14 km |
| Jul 13, 2009 | 63 km SSW of Komodo, Indonesia | M5.9 | 146 km | 65 km |
| Jun 3, 2008 | 54 km NNW of Ruteng, Indonesia | M5.9 | 82 km | 14 km |
| Jun 3, 2008 | 58 km NNW of Ruteng, Indonesia | M5.8 | 85 km | 7 km |
| Dec 7, 1998 | 59 km NNW of Ende, Indonesia | M5.8 | 106 km | 33 km |
| Jan 23, 2000 | 73 km NNE of Ruteng, Indonesia | M5.8 | 94 km | 47 km |
| Jul 18, 1991 | 74 km NW of Maumere, Indonesia | M5.8 | 148 km | 32 km |
| Jan 20, 1993 | 66 km NNW of Ende, Indonesia | M5.8 | 101 km | 33 km |
| Jan 20, 2012 | 22 km WNW of Labuan Bajo, Indonesia | M5.7 | 110 km | 126 km |
| Jul 15, 1992 | 25 km WNW of Ende, Indonesia | M5.7 | 92 km | 130 km |
| Feb 21, 2022 | 47 km NNE of Ruteng, Indonesia | M5.7 | 67 km | 20 km |
| Aug 26, 1995 | 63 km NNW of Ende, Indonesia | M5.7 | 119 km | 34 km |
| Jan 25, 2024 | 89 km NW of Ende, Indonesia | M5.6 | 91 km | 22 km |
| Mar 1, 1990 | 106 km NE of Ruteng, Indonesia | M5.6 | 116 km | 39 km |
| Jan 23, 2000 | 73 km NNE of Ruteng, Indonesia | M5.6 | 93 km | 46 km |
| Jun 8, 1990 | 58 km SSW of Ruteng, Indonesia | M5.5 | 50 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 26.2 m (86 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1992 | FLORES SEA | Eruption + Earthquake | 26.2 m | 2,500 | 146 km |
| 1928 | FLORES SEA | Explosion | 10.0 m | 226 | 133 km |
| 1855 | FLORES ISLAND | Unknown | — | — | 48 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Ranakah (24 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ranakah | Lava dome(s) | 2,350 m (7,710 ft) | 1991 | 24 km |
| Inierie | Stratovolcano | 2,245 m (7,365 ft) | -8050 | 38 km |
| Inielika | Complex | 1,559 m (5,115 ft) | 2001 | 42 km |
| Sano, Wai | Caldera | 1,319 m (4,327 ft) | Unknown | 69 km |
| Iya | Stratovolcano | 618 m (2,028 ft) | 1969 | 114 km |
| Paluweh | Stratovolcano | 875 m (2,871 ft) | 2013 | 133 km |
| Kelimutu | Complex | 1,639 m (5,377 ft) | 1968 | 133 km |
| Sangeang Api | Complex | 1,912 m (6,273 ft) | 2020 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 13.9 in | Warmest, Wettest |
| February | 77°F (25°C) | 12.4 in | |
| March | 77°F (25°C) | 10.1 in | |
| April | 77°F (25°C) | 6.0 in | |
| May | 77°F (25°C) | 3.6 in | |
| June | 76°F (24°C) | 2.0 in | |
| July | 72°F (22°C) | 1.5 in | Coldest |
| August | 75°F (24°C) | 1.1 in | Driest |
| September | 76°F (25°C) | 1.7 in | |
| October | 78°F (26°C) | 3.5 in | |
| November | 79°F (26°C) | 6.3 in | |
| December | 77°F (25°C) | 10.2 in |
Borong has a seasonal temperature swing of 6°F / from 72°F in July to 79°F in January. Total annual precipitation is 72.3 inches, with January being the wettest month (13.9") and August the driest (1.1").