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Weather & Climate in Muara Siau, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Muara Siau has a warm climate with an average annual temperature of 75°F (24°C). Winters average 68°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 335 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 157.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 735 feet.
Temperature
68°F Jan (20°C)
75°F Jul (24°C)
| Annual Average | 75.1°F |
| 39% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 735 ft (224 m) |
| Area | 151.2 sq mi (391.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | -2.2730°N, 102.0998°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
309 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Oct 6, 1995 | 5 km ENE of Sungai Penuh, Indonesia | M6.8 | 78 km | 33 km |
| Oct 1, 2009 | 49 km SSE of Sungai Penuh, Indonesia | M6.6 | 68 km | 9 km |
| May 15, 2015 | 106 km ESE of Sungai Penuh, Indonesia | M6.0 | 33 km | 151 km |
| Jan 4, 2008 | 89 km SSW of Sungai Penuh, Indonesia | M6.0 | 131 km | 35 km |
| Apr 22, 1997 | 43 km WNW of Curup, Indonesia | M5.9 | 122 km | 108 km |
| Jun 16, 2002 | 103 km SW of Bejubang Dua, Indonesia | M5.8 | 52 km | 232 km |
| Aug 4, 2011 | 92 km SSW of Sungai Penuh, Indonesia | M5.8 | 129 km | 35 km |
| May 20, 2008 | 111 km NW of Bengkulu, Indonesia | M5.7 | 123 km | 48 km |
| May 18, 2008 | 115 km NW of Bengkulu, Indonesia | M5.7 | 129 km | 32 km |
| Feb 3, 2003 | 77 km SSW of Sungai Penuh, Indonesia | M5.6 | 113 km | 33 km |
| May 10, 1997 | 107 km NW of Bengkulu, Indonesia | M5.6 | 115 km | 33 km |
| Feb 12, 2008 | 107 km S of Sungai Penuh, Indonesia | M5.5 | 128 km | 47 km |
| Feb 27, 2019 | 83 km NNE of Sungai Penuh, Indonesia | M5.4 | 121 km | 10 km |
| Aug 5, 1994 | 112 km NW of Bengkulu, Indonesia | M5.4 | 123 km | 69 km |
| Jun 19, 2011 | 117 km WNW of Bengkulu, Indonesia | M5.4 | 136 km | 57 km |
| Sep 7, 2022 | 115 km NW of Bengkulu, Indonesia | M5.4 | 127 km | 34 km |
| Jun 18, 2016 | 122 km WNW of Bengkulu, Indonesia | M5.4 | 149 km | 40 km |
| Jul 9, 2008 | 37 km NW of Sungai Penuh, Indonesia | M5.3 | 118 km | 54 km |
| May 3, 2008 | 106 km S of Sungai Penuh, Indonesia | M5.3 | 120 km | 50 km |
| Oct 1, 2009 | 39 km S of Sungai Penuh, Indonesia | M5.3 | 77 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Sumbing (44 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sumbing | Stratovolcano | 2,507 m (8,225 ft) | 1921 | 44 km |
| Hululais | Compound | 2,122 m (6,962 ft) | Unknown | 109 km |
| Kerinci | Stratovolcano | 3,800 m (12,467 ft) | 2020 | 113 km |
| Daun, Bukit | Stratovolcano(es) | 2,467 m (8,094 ft) | Unknown | 127 km |
| Kaba | Stratovolcano | 1,940 m (6,365 ft) | 2000 | 150 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 12.4 in | Coldest, Wettest |
| February | 75°F (24°C) | 9.8 in | |
| March | 75°F (24°C) | 11.2 in | |
| April | 76°F (24°C) | 11.3 in | |
| May | 76°F (24°C) | 7.6 in | Warmest |
| June | 75°F (24°C) | 4.7 in | |
| July | 75°F (24°C) | 4.5 in | Driest |
| August | 75°F (24°C) | 4.9 in | |
| September | 75°F (24°C) | 6.8 in | |
| October | 75°F (24°C) | 9.5 in | |
| November | 75°F (24°C) | 10.8 in | |
| December | 75°F (24°C) | 11.7 in |
Muara Siau has a seasonal temperature swing of 8°F / from 68°F in January to 76°F in May. Total annual precipitation is 105.2 inches, with January being the wettest month (12.4") and July the driest (4.5").