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Weather & Climate in Siabu, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siabu has a warm climate with an average annual temperature of 75°F (24°C). Winters average 76°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 310 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 93.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 604 feet.
Temperature
76°F Jan (25°C)
75°F Jul (24°C)
| Annual Average | 75.2°F |
| 39% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 604 ft (184 m) |
| Area | 44.3 sq mi (114.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 1.0155°N, 99.4945°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
545 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 | 125 km | 34 km |
| Nov 11, 1999 | 106 km SSE of Rantauprapat, Indonesia | M6.2 | 96 km | 211 km |
| Apr 3, 2023 | 77 km SW of Padangsidempuan, Indonesia | M6.1 | 76 km | 84 km |
| Feb 25, 2022 | 65 km NNW of Bukittinggi, Indonesia | M6.1 | 111 km | 4 km |
| Apr 3, 2005 | 154 km SW of Padangsidempuan, Indonesia | M6.0 | 149 km | 30 km |
| May 19, 2008 | 31 km NNW of Padangsidempuan, Indonesia | M6.0 | 80 km | 10 km |
| Jun 14, 2011 | 38 km ENE of Sibolga, Indonesia | M5.6 | 102 km | 22 km |
| Jan 23, 2001 | 107 km WNW of Pariaman, Indonesia | M5.6 | 138 km | 78 km |
| Mar 29, 2005 | 44 km N of Padangsidempuan, Indonesia | M5.5 | 91 km | 30 km |
| Jan 9, 2003 | 119 km SW of Padangsidempuan, Indonesia | M5.5 | 113 km | 45 km |
| May 12, 2003 | 47 km WSW of Padangsidempuan, Indonesia | M5.5 | 66 km | 78 km |
| Sep 1, 2016 | 117 km SW of Padangsidempuan, Indonesia | M5.5 | 111 km | 35 km |
| Jun 14, 2011 | 50 km N of Padangsidempuan, Indonesia | M5.5 | 96 km | 17 km |
| Jun 2, 2019 | 122 km SW of Padangsidempuan, Indonesia | M5.4 | 123 km | 43 km |
| Mar 17, 2025 | 41 km ENE of Sibolga, Indonesia | M5.4 | 104 km | 47 km |
| Feb 23, 2009 | 128 km SW of Padangsidempuan, Indonesia | M5.4 | 121 km | 35 km |
| Oct 29, 2012 | 105 km SSW of Sibolga, Indonesia | M5.4 | 125 km | 59 km |
| Jan 6, 1991 | 120 km SW of Padangsidempuan, Indonesia | M5.4 | 116 km | 57 km |
| Apr 20, 2014 | 128 km SW of Padangsidempuan, Indonesia | M5.4 | 130 km | 43 km |
| Apr 19, 2015 | 26 km NE of Sibolga, Indonesia | M5.3 | 115 km | 123 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 |
| 1797 | SW. SUMATRA | Earthquake | - | 300 | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Sorikmarapi (37 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sorikmarapi | Stratovolcano | 2,145 m (7,037 ft) | 1986 | 37 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 60 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 66 km |
| Talakmau | Complex | 2,919 m (9,577 ft) | Unknown | 117 km |
| Sarik-Gajah | Pyroclastic cone(s) | 737 m (2,418 ft) | Unknown | 130 km |
| Tandikat-Singgalang | Stratovolcano(es) | 2,854 m (9,364 ft) | 1924 | 182 km |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 189 km |
| Marapi | Complex | 2,885 m (9,465 ft) | 2018 | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 9.7 in | Warmest |
| February | 75°F (24°C) | 7.8 in | |
| March | 75°F (24°C) | 9.7 in | |
| April | 76°F (24°C) | 10.2 in | |
| May | 76°F (24°C) | 7.1 in | |
| June | 75°F (24°C) | 5.0 in | |
| July | 75°F (24°C) | 4.8 in | Driest |
| August | 74°F (24°C) | 6.0 in | |
| September | 74°F (24°C) | 8.5 in | Coldest |
| October | 74°F (24°C) | 10.7 in | |
| November | 74°F (24°C) | 11.0 in | Wettest |
| December | 74°F (24°C) | 11.0 in |
Siabu has a seasonal temperature swing of 2°F / from 74°F in September to 76°F in January. Total annual precipitation is 101.5 inches, with November being the wettest month (11.0") and July the driest (4.8").