Muara Siau, Indonesia

Full City Profile

735 ft Elevation 224 meters

75°F Avg Temperature 24°C

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. The area gets 335 sunny days per year. Annual precipitation totals 157.8 inches. The area receives 0.0 inches of snow annually.

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

Annual Rainfall 157.8"

315% above US avg

Snowfall 0.0"

Wettest Month (Jan) 12.40"

Driest Month (Jul) 4.50"

Air Quality

Earthquake History

309 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M4.4 on Jul 25, 2025.

Oct 6, 1995	5 km ENE of Sungai Penuh, Indonesia	M6.8	78 km
Oct 1, 2009	49 km SSE of Sungai Penuh, Indonesia	M6.6	68 km
May 15, 2015	106 km ESE of Sungai Penuh, Indonesia	M6.0	33 km
Jan 4, 2008	89 km SSW of Sungai Penuh, Indonesia	M6.0	131 km
Apr 22, 1997	43 km WNW of Curup, Indonesia	M5.9	122 km
Jun 16, 2002	103 km SW of Bejubang Dua, Indonesia	M5.8	52 km
Aug 4, 2011	92 km SSW of Sungai Penuh, Indonesia	M5.8	129 km
May 20, 2008	111 km NW of Bengkulu, Indonesia	M5.7	123 km
May 18, 2008	115 km NW of Bengkulu, Indonesia	M5.7	129 km
Feb 3, 2003	77 km SSW of Sungai Penuh, Indonesia	M5.6	113 km
May 10, 1997	107 km NW of Bengkulu, Indonesia	M5.6	115 km
Feb 12, 2008	107 km S of Sungai Penuh, Indonesia	M5.5	128 km
Feb 27, 2019	83 km NNE of Sungai Penuh, Indonesia	M5.4	121 km
Aug 5, 1994	112 km NW of Bengkulu, Indonesia	M5.4	123 km
Jun 19, 2011	117 km WNW of Bengkulu, Indonesia	M5.4	136 km
Sep 7, 2022	115 km NW of Bengkulu, Indonesia	M5.4	127 km
Jun 18, 2016	122 km WNW of Bengkulu, Indonesia	M5.4	149 km
Jul 9, 2008	37 km NW of Sungai Penuh, Indonesia	M5.3	118 km
May 3, 2008	106 km S of Sungai Penuh, Indonesia	M5.3	120 km
Oct 1, 2009	39 km S of Sungai Penuh, Indonesia	M5.3	77 km

Source: USGS (M2.5+, 1990–2025)

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). Sorted by distance.

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").

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