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Weather & Climate in Sibolga, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sibolga has a warm climate with an average annual temperature of 78°F (26°C). Winters average 78°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 100 sunny days per year, below the national average of 205. Annual precipitation totals 135.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
78°F Jan (26°C)
78°F Jul (26°C)
| Annual Average | 78.1°F |
| 45% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 100 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 4.2 sq mi (10.8 km²) |
| Population Density | 21,939/sq mi |
| Coordinates | 1.7402°N, 98.7812°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
658 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| May 14, 2005 | 125 km SW of Padangsidempuan, Indonesia | M6.7 | 133 km | 34 km |
| Apr 16, 2005 | 54 km SSW of Singkil, Indonesia | M6.4 | 125 km | 31 km |
| Apr 3, 2005 | 33 km SSE of Singkil, Indonesia | M6.3 | 98 km | 36 km |
| Apr 3, 2023 | 77 km SW of Padangsidempuan, Indonesia | M6.1 | 100 km | 84 km |
| Jan 15, 2023 | 40 km SE of Singkil, Indonesia | M6.1 | 91 km | 37 km |
| Mar 28, 2005 | 136 km SW of Sibolga, Indonesia | M6.1 | 136 km | 36 km |
| May 19, 2008 | 31 km NNW of Padangsidempuan, Indonesia | M6.0 | 42 km | 10 km |
| Mar 7, 2007 | 39 km SSE of Singkil, Indonesia | M5.9 | 100 km | 35 km |
| May 1, 2014 | 41 km SSE of Singkil, Indonesia | M5.9 | 94 km | 37 km |
| Mar 28, 2005 | 133 km SW of Sibolga, Indonesia | M5.8 | 134 km | 31 km |
| May 8, 2015 | 83 km S of Singkil, Indonesia | M5.7 | 100 km | 36 km |
| Jun 14, 2011 | 38 km ENE of Sibolga, Indonesia | M5.6 | 38 km | 22 km |
| Apr 4, 2005 | 76 km S of Singkil, Indonesia | M5.6 | 102 km | 30 km |
| Jan 9, 2003 | 119 km SW of Padangsidempuan, Indonesia | M5.5 | 135 km | 45 km |
| Sep 1, 2016 | 117 km SW of Padangsidempuan, Indonesia | M5.5 | 133 km | 35 km |
| Mar 29, 2005 | 44 km N of Padangsidempuan, Indonesia | M5.5 | 48 km | 30 km |
| Jun 14, 2011 | 50 km N of Padangsidempuan, Indonesia | M5.5 | 50 km | 17 km |
| May 12, 2003 | 47 km WSW of Padangsidempuan, Indonesia | M5.5 | 68 km | 78 km |
| May 3, 2014 | 46 km SSE of Singkil, Indonesia | M5.4 | 102 km | 43 km |
| Feb 23, 2009 | 128 km SW of Padangsidempuan, Indonesia | M5.4 | 143 km | 35 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 | — | — | 116 km |
| 1843 | SW. SUMATRA | Earthquake | — | — | 91 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Lubukraya (56 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 56 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 57 km |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 94 km |
| Sorikmarapi | Stratovolcano | 2,145 m (7,037 ft) | 1986 | 144 km |
| Sinabung | Stratovolcano | 2,460 m (8,071 ft) | 2019 | 165 km |
| Singkut | Caldera(s) | 2,181 m (7,156 ft) | 1881 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 10.3 in | |
| February | 78°F (26°C) | 9.8 in | |
| March | 79°F (26°C) | 13.0 in | |
| April | 79°F (26°C) | 13.4 in | |
| May | 79°F (26°C) | 9.8 in | Warmest |
| June | 79°F (26°C) | 7.1 in | Driest |
| July | 78°F (26°C) | 8.9 in | |
| August | 78°F (25°C) | 8.6 in | |
| September | 77°F (25°C) | 12.2 in | |
| October | 77°F (25°C) | 14.1 in | Coldest |
| November | 77°F (25°C) | 14.9 in | Wettest |
| December | 78°F (25°C) | 13.4 in |
Sibolga has a seasonal temperature swing of 2°F / from 77°F in October to 79°F in May. Total annual precipitation is 135.5 inches, with November being the wettest month (14.9") and June the driest (7.1").