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Weather & Climate in Siborong-Borong, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siborong-Borong enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 67°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 274 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 106.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 4,167 feet.
Temperature
67°F Jan (20°C)
69°F Jul (21°C)
| Annual Average | 69.3°F |
| 28% above US avg | |
| January Average | 67°F (20°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 4,167 ft (1,270 m) |
| Area | 72.6 sq mi (187.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 2.2125°N, 98.9729°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
515 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Sep 5, 2011 | 68 km WSW of Kabanjahe, Indonesia | M6.7 | 146 km | 91 km |
| Apr 3, 2005 | 33 km SSE of Singkil, Indonesia | M6.3 | 117 km | 36 km |
| Jan 15, 2023 | 40 km SE of Singkil, Indonesia | M6.1 | 111 km | 37 km |
| Jun 23, 2012 | 66 km W of Kabanjahe, Indonesia | M6.1 | 149 km | 95 km |
| May 19, 2008 | 31 km NNW of Padangsidempuan, Indonesia | M6.0 | 67 km | 10 km |
| May 1, 2014 | 41 km SSE of Singkil, Indonesia | M5.9 | 115 km | 37 km |
| Mar 7, 2007 | 39 km SSE of Singkil, Indonesia | M5.9 | 122 km | 35 km |
| May 8, 2015 | 83 km S of Singkil, Indonesia | M5.7 | 141 km | 36 km |
| Jun 14, 2011 | 38 km ENE of Sibolga, Indonesia | M5.6 | 44 km | 22 km |
| Apr 4, 2005 | 76 km S of Singkil, Indonesia | M5.6 | 140 km | 30 km |
| Jan 16, 2017 | 14 km NNW of Berastagi, Indonesia | M5.6 | 135 km | 6 km |
| Jun 14, 2011 | 50 km N of Padangsidempuan, Indonesia | M5.5 | 51 km | 17 km |
| May 12, 2003 | 47 km WSW of Padangsidempuan, Indonesia | M5.5 | 119 km | 78 km |
| Mar 29, 2005 | 44 km N of Padangsidempuan, Indonesia | M5.5 | 55 km | 30 km |
| Jul 15, 1995 | 14 km E of Parapat, Indonesia | M5.4 | 52 km | 165 km |
| Jul 11, 2017 | 10 km NNE of Parapat, Indonesia | M5.4 | 59 km | 147 km |
| Mar 17, 2025 | 41 km ENE of Sibolga, Indonesia | M5.4 | 42 km | 47 km |
| May 3, 2014 | 46 km SSE of Singkil, Indonesia | M5.4 | 128 km | 43 km |
| Mar 15, 2014 | 13 km S of Pematangsiantar, Indonesia | M5.4 | 70 km | 172 km |
| Nov 1, 1993 | 45 km SE of Singkil, Indonesia | M5.3 | 97 km | 84 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1892 | NORTHEAST SUMATRA | Earthquake | — | — | 67 km |
| 1843 | SW. SUMATRA | Earthquake | — | — | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toba (44 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 44 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 79 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 86 km |
| Sinabung | Stratovolcano | 2,460 m (8,071 ft) | 2019 | 125 km |
| Singkut | Caldera(s) | 2,181 m (7,156 ft) | 1881 | 127 km |
| Sorikmarapi | Stratovolcano | 2,145 m (7,037 ft) | 1986 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (20°C) | 7.3 in | Coldest |
| February | 69°F (21°C) | 5.8 in | |
| March | 70°F (21°C) | 8.0 in | |
| April | 70°F (21°C) | 8.5 in | |
| May | 70°F (21°C) | 6.1 in | Warmest |
| June | 70°F (21°C) | 3.7 in | |
| July | 69°F (21°C) | 3.3 in | Driest |
| August | 69°F (21°C) | 4.3 in | |
| September | 69°F (20°C) | 7.3 in | |
| October | 69°F (21°C) | 9.8 in | Wettest |
| November | 69°F (20°C) | 9.6 in | |
| December | 69°F (20°C) | 9.0 in |
Siborong-Borong has a seasonal temperature swing of 3°F / from 67°F in January to 70°F in May. Total annual precipitation is 82.7 inches, with October being the wettest month (9.8") and July the driest (3.3").