Teluk Dalam, Indonesia

Full City Profile

25,780 Population 238/sq mi density

135 ft Elevation 41 meters

79°F Avg Temperature 26°C

Teluk Dalam has a warm climate with an average annual temperature of 79°F (26°C). Winters average 79°F in January while summers reach 79°F in July. The area gets 116 sunny days per year. Annual precipitation totals 127.4 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 79°F Jul (26°C)

Annual Average	78.9°F
	46% above US avg
January Average	79°F (26°C)
July Average	79°F (26°C)
Sunny Days	116 days/yr

Geography

Elevation	135 ft (41 m)
Area	108.4 sq mi (280.8 km²)
Population Density	238/sq mi
Coordinates	0.5729°N, 97.8034°W
Timezone	Asia/Jakarta

Precipitation & Snow

Annual Rainfall 127.4"

235% above US avg

Snowfall 0.0"

Wettest Month (Oct) 15.94"

Driest Month (Jul) 7.72"

Air Quality

Earthquake History

2,001 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M4.9 on Jul 1, 2025.

May 16, 2006	256 km SSW of Singkil, Indonesia	M6.8	99 km
May 14, 2021	260 km S of Sinabang, Indonesia	M6.7	138 km
May 14, 2005	125 km SW of Padangsidempuan, Indonesia	M6.7	73 km
Apr 16, 2005	54 km SSW of Singkil, Indonesia	M6.4	139 km
Jul 27, 2006	96 km SW of Singkil, Indonesia	M6.3	146 km
Jan 22, 2008	146 km SSW of Singkil, Indonesia	M6.2	63 km
Apr 8, 2005	245 km SSW of Sibolga, Indonesia	M6.1	88 km
Apr 19, 2021	254 km S of Sinabang, Indonesia	M6.1	145 km
Apr 3, 2023	77 km SW of Padangsidempuan, Indonesia	M6.1	118 km
Mar 28, 2005	136 km SW of Sibolga, Indonesia	M6.1	40 km
May 11, 2004	181 km SW of Sibolga, Indonesia	M6.1	18 km
Apr 3, 2005	154 km SW of Padangsidempuan, Indonesia	M6.0	62 km
Apr 6, 2011	108 km SW of Singkil, Indonesia	M6.0	140 km
Mar 28, 2005	121 km SSW of Singkil, Indonesia	M5.9	81 km
May 18, 2001	183 km SW of Sibolga, Indonesia	M5.9	18 km
Jul 7, 1997	136 km S of Singkil, Indonesia	M5.9	60 km
Mar 13, 2010	126 km SSW of Singkil, Indonesia	M5.8	109 km
Mar 31, 2005	98 km SW of Singkil, Indonesia	M5.8	147 km
Mar 28, 2005	156 km SW of Singkil, Indonesia	M5.8	107 km
Jun 3, 2019	191 km SW of Sibolga, Indonesia	M5.8	24 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 tsunamis recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1861	SW. SUMATRA	Earthquake	—	950	66 km
1861	SW. SUMATRA	Earthquake	—	—	58 km
1861	SW. SUMATRA	Earthquake	—	—	58 km
1843	SW. SUMATRA	Earthquake	—	—	105 km
1797	SW. SUMATRA	Earthquake	—	300	148 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Lubukraya (186 km).

Name	Type	Elevation	Last Eruption	Distance
Lubukraya	Stratovolcano	1,862 m (6,109 ft)	Unknown	186 km
Sorikmarapi	Stratovolcano	2,145 m (7,037 ft)	1986	193 km
Sibualbuali	Stratovolcano	1,819 m (5,968 ft)	Unknown	195 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	79°F (26°C)	8.8 in
February	79°F (26°C)	8.3 in
March	79°F (26°C)	9.6 in
April	80°F (27°C)	10.5 in
May	80°F (27°C)	8.5 in	Warmest
June	79°F (26°C)	8.3 in
July	79°F (26°C)	7.7 in	Driest
August	78°F (26°C)	10.2 in	Coldest
September	78°F (26°C)	11.5 in
October	78°F (26°C)	15.9 in	Wettest
November	78°F (26°C)	14.9 in
December	79°F (26°C)	13.1 in

Teluk Dalam has a seasonal temperature swing of 2°F / from 78°F in August to 80°F in May. Total annual precipitation is 127.4 inches, with October being the wettest month (15.9") and July the driest (7.7").

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