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Weather & Climate in Barus, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Barus has a warm climate with an average annual temperature of 77°F (25°C). Winters average 77°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 107 sunny days per year, below the national average of 205. Annual precipitation totals 130.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
77°F Jan (25°C)
77°F Jul (25°C)
| Annual Average | 76.7°F |
| 42% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 107 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 7.5 sq mi (19.5 km²) |
| Population Density | 2,443/sq mi |
| Coordinates | 2.0106°N, 98.3982°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
763 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.6.
| Mar 28, 2005 | 78 km WSW of Singkil, Indonesia | M8.6 | 144 km | 30 km |
| Sep 5, 2011 | 68 km WSW of Kabanjahe, Indonesia | M6.7 | 120 km | 91 km |
| Jul 5, 2005 | 94 km WSW of Singkil, Indonesia | M6.7 | 148 km | 21 km |
| Apr 16, 2005 | 54 km SSW of Singkil, Indonesia | M6.4 | 85 km | 31 km |
| Apr 3, 2005 | 33 km SSE of Singkil, Indonesia | M6.3 | 51 km | 36 km |
| Jul 27, 2006 | 96 km SW of Singkil, Indonesia | M6.3 | 143 km | 20 km |
| Apr 3, 2023 | 77 km SW of Padangsidempuan, Indonesia | M6.1 | 139 km | 84 km |
| Mar 28, 2005 | 136 km SW of Sibolga, Indonesia | M6.1 | 135 km | 36 km |
| Jan 15, 2023 | 40 km SE of Singkil, Indonesia | M6.1 | 45 km | 37 km |
| Jun 23, 2012 | 66 km W of Kabanjahe, Indonesia | M6.1 | 124 km | 95 km |
| May 19, 2008 | 31 km NNW of Padangsidempuan, Indonesia | M6.0 | 93 km | 10 km |
| Jul 7, 1997 | 136 km S of Singkil, Indonesia | M5.9 | 138 km | 29 km |
| May 1, 2014 | 41 km SSE of Singkil, Indonesia | M5.9 | 48 km | 37 km |
| Mar 7, 2007 | 39 km SSE of Singkil, Indonesia | M5.9 | 55 km | 35 km |
| Mar 28, 2005 | 121 km SSW of Singkil, Indonesia | M5.9 | 133 km | 30 km |
| Mar 28, 2005 | 133 km SW of Sibolga, Indonesia | M5.8 | 128 km | 31 km |
| Mar 31, 2005 | 98 km SW of Singkil, Indonesia | M5.8 | 146 km | 22 km |
| May 8, 2015 | 83 km S of Singkil, Indonesia | M5.7 | 76 km | 36 km |
| Jan 27, 2015 | 121 km SSW of Singkil, Indonesia | M5.7 | 149 km | 13 km |
| Mar 30, 2005 | 95 km SW of Singkil, Indonesia | M5.7 | 147 km | 27 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.2 m (14 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2005 | INDONESIA | Earthquake | 4.2 m | 1,319 | 144 km |
| 1892 | NORTHEAST SUMATRA | Earthquake | - | - | 134 km |
| 1843 | SW. SUMATRA | Earthquake | - | - | 72 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toba (79 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 79 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 108 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 108 km |
| Sinabung | Stratovolcano | 2,460 m (8,071 ft) | 2019 | 129 km |
| Singkut | Caldera(s) | 2,181 m (7,156 ft) | 1881 | 138 km |
| Sorikmarapi | Stratovolcano | 2,145 m (7,037 ft) | 1986 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 11.2 in | |
| February | 77°F (25°C) | 9.1 in | |
| March | 77°F (25°C) | 12.7 in | |
| April | 78°F (25°C) | 13.4 in | |
| May | 78°F (25°C) | 9.6 in | Warmest |
| June | 77°F (25°C) | 6.9 in | |
| July | 77°F (25°C) | 6.7 in | Driest |
| August | 76°F (25°C) | 8.8 in | |
| September | 76°F (25°C) | 10.8 in | |
| October | 76°F (24°C) | 14.2 in | Coldest |
| November | 76°F (25°C) | 14.7 in | Wettest |
| December | 76°F (25°C) | 12.8 in |
Barus has a seasonal temperature swing of 2°F / from 76°F in October to 78°F in May. Total annual precipitation is 130.9 inches, with November being the wettest month (14.7") and July the driest (6.7").