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Weather & Climate in Bagan Si Api-api, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bagan Si Api-api has a warm climate with an average annual temperature of 79°F (26°C). Winters average 78°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 316 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 134.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
78°F Jan (25°C)
79°F Jul (26°C)
| Annual Average | 79.0°F |
| 46% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 18,349.9 sq mi (47,526.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 2.1567°N, 100.8076°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
49 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Nov 11, 1999 | 106 km SSE of Rantauprapat, Indonesia | M6.2 | 112 km | 211 km |
| Feb 20, 2012 | 30 km SW of Bandar, Indonesia | M5.2 | 143 km | 193 km |
| May 22, 2006 | 38 km SSW of Bandar, Indonesia | M5.0 | 144 km | 181 km |
| Sep 8, 2014 | 89 km ESE of Padangsidempuan, Indonesia | M4.9 | 145 km | 202 km |
| Dec 9, 2009 | 78 km E of Padangsidempuan, Indonesia | M4.9 | 130 km | 207 km |
| May 11, 1991 | 107 km W of Balaipungut, Indonesia | M4.9 | 146 km | 221 km |
| Dec 16, 1991 | 92 km SSE of Bandar, Indonesia | M4.9 | 124 km | 236 km |
| Sep 23, 1997 | 106 km WNW of Balaipungut, Indonesia | M4.8 | 112 km | 229 km |
| Mar 20, 1995 | 105 km W of Balaipungut, Indonesia | M4.8 | 119 km | 220 km |
| Jan 5, 2004 | 24 km WNW of Balaipungut, Indonesia | M4.8 | 121 km | 274 km |
| Sep 22, 1999 | 30 km SW of Bandar, Indonesia | M4.6 | 142 km | 33 km |
| Jan 13, 2017 | 86 km WSW of Balaipungut, Indonesia | M4.6 | 149 km | 243 km |
| Mar 29, 1995 | 47 km S of Bandar, Indonesia | M4.6 | 128 km | 181 km |
| Jan 11, 1998 | 53 km SSW of Kisaran, Indonesia | M4.6 | 150 km | 33 km |
| Aug 30, 2013 | 80 km ESE of Padangsidempuan, Indonesia | M4.5 | 147 km | 208 km |
| Apr 4, 2013 | 89 km E of Padangsidempuan, Indonesia | M4.5 | 126 km | 202 km |
| Mar 2, 1998 | 44 km SSW of Bandar, Indonesia | M4.5 | 141 km | 170 km |
| Apr 4, 2003 | 36 km SSW of Bandar, Indonesia | M4.5 | 137 km | 177 km |
| Mar 4, 2011 | 49 km S of Bandar, Indonesia | M4.5 | 134 km | 170 km |
| Apr 5, 2006 | northern Sumatra, Indonesia | M4.5 | 140 km | 212 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Sibualbuali (185 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 185 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 8.1 in | Coldest |
| February | 79°F (26°C) | 6.3 in | |
| March | 79°F (26°C) | 8.1 in | |
| April | 80°F (27°C) | 8.9 in | |
| May | 80°F (27°C) | 7.2 in | Warmest |
| June | 80°F (27°C) | 6.1 in | |
| July | 79°F (26°C) | 5.8 in | Driest |
| August | 79°F (26°C) | 7.0 in | |
| September | 79°F (26°C) | 9.3 in | |
| October | 79°F (26°C) | 10.8 in | |
| November | 78°F (26°C) | 11.3 in | Wettest |
| December | 78°F (26°C) | 10.3 in |
Bagan Si Api-api has a seasonal temperature swing of 2°F / from 78°F in January to 80°F in May. Total annual precipitation is 99.2 inches, with November being the wettest month (11.3") and July the driest (5.8").