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Weather & Climate in Tanjungbalai, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tanjungbalai has a warm climate with an average annual temperature of 80°F (27°C). Winters average 79°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 201 sunny days per year. Annual precipitation totals 74.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
79°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 79.7°F |
| 48% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 201 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 23.4 sq mi (60.5 km²) |
| Population Density | 7,838/sq mi |
| Coordinates | 2.9667°N, 99.8000°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
196 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Jun 14, 2011 | 38 km ENE of Sibolga, Indonesia | M5.6 | 147 km | 22 km |
| Jun 14, 2011 | 50 km N of Padangsidempuan, Indonesia | M5.5 | 142 km | 17 km |
| Mar 29, 2005 | 44 km N of Padangsidempuan, Indonesia | M5.5 | 148 km | 30 km |
| Jul 15, 1995 | 14 km E of Parapat, Indonesia | M5.4 | 88 km | 165 km |
| Mar 17, 2025 | 41 km ENE of Sibolga, Indonesia | M5.4 | 142 km | 47 km |
| Mar 15, 2014 | 13 km S of Pematangsiantar, Indonesia | M5.4 | 82 km | 172 km |
| Jul 11, 2017 | 10 km NNE of Parapat, Indonesia | M5.4 | 94 km | 147 km |
| Aug 27, 2012 | 33 km SSE of Parapat, Indonesia | M5.2 | 108 km | 150 km |
| Mar 28, 2005 | 18 km NNW of Ambarita, Indonesia | M5.2 | 117 km | 30 km |
| Feb 20, 2012 | 30 km SW of Bandar, Indonesia | M5.2 | 127 km | 193 km |
| Oct 3, 2016 | 34 km ESE of Parapat, Indonesia | M5.1 | 85 km | 158 km |
| Mar 13, 2018 | 37 km NE of Sibolga, Indonesia | M5.1 | 139 km | 124 km |
| Apr 19, 2009 | 17 km S of Pematangsiantar, Indonesia | M5.1 | 81 km | 175 km |
| Feb 28, 2010 | 48 km NNE of Sibolga, Indonesia | M5.1 | 129 km | 58 km |
| May 22, 2006 | 38 km SSW of Bandar, Indonesia | M5.0 | 138 km | 181 km |
| Feb 24, 2018 | 37 km NNE of Sibolga, Indonesia | M5.0 | 145 km | 17 km |
| Sep 14, 2024 | 34 km ENE of Sibolga, Indonesia | M5.0 | 145 km | 128 km |
| Mar 5, 2022 | 10 km ENE of Parapat, Indonesia | M5.0 | 91 km | 149 km |
| Jun 18, 2011 | 38 km ENE of Sibolga, Indonesia | M5.0 | 146 km | 25 km |
| Apr 9, 2010 | 45 km ENE of Sibolga, Indonesia | M4.9 | 142 km | 35 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1892 | NORTHEAST SUMATRA | Earthquake | — | — | 62 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Toba (116 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 116 km |
| Singkut | Caldera(s) | 2,181 m (7,156 ft) | 1881 | 148 km |
| Sinabung | Stratovolcano | 2,460 m (8,071 ft) | 2019 | 158 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 168 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 5.1 in | |
| February | 80°F (26°C) | 3.5 in | Driest |
| March | 80°F (27°C) | 4.1 in | |
| April | 81°F (27°C) | 4.8 in | |
| May | 81°F (27°C) | 5.3 in | Warmest |
| June | 81°F (27°C) | 4.9 in | |
| July | 80°F (27°C) | 5.0 in | |
| August | 80°F (27°C) | 6.7 in | |
| September | 79°F (26°C) | 8.7 in | |
| October | 79°F (26°C) | 10.8 in | Wettest |
| November | 79°F (26°C) | 8.6 in | |
| December | 79°F (26°C) | 7.1 in | Coldest |
Tanjungbalai has a seasonal temperature swing of 2°F / from 79°F in December to 81°F in May. Total annual precipitation is 74.6 inches, with October being the wettest month (10.8") and February the driest (3.5").