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Weather & Climate in Gunungsitoli, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gunungsitoli has a warm climate with an average annual temperature of 79°F (26°C). Winters average 79°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 115 sunny days per year, below the national average of 205. Annual precipitation totals 127.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 46 feet.
Temperature
79°F Jan (26°C)
78°F Jul (26°C)
| Annual Average | 78.6°F |
| 46% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 115 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 108.4 sq mi (280.8 km²) |
| Population Density | 1,261/sq mi |
| Coordinates | 1.2888°N, 97.6143°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
2,189 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.6.
| Mar 28, 2005 | 78 km WSW of Singkil, Indonesia | M8.6 | 105 km | 30 km |
| Apr 6, 2010 | 75 km E of Sinabang, Indonesia | M7.8 | 137 km | 31 km |
| May 19, 2005 | 89 km WSW of Singkil, Indonesia | M6.9 | 101 km | 30 km |
| May 16, 2006 | 256 km SSW of Singkil, Indonesia | M6.8 | 147 km | 12 km |
| Jul 5, 2005 | 94 km WSW of Singkil, Indonesia | M6.7 | 84 km | 21 km |
| May 14, 2005 | 125 km SW of Padangsidempuan, Indonesia | M6.7 | 122 km | 34 km |
| Apr 16, 2005 | 54 km SSW of Singkil, Indonesia | M6.4 | 58 km | 31 km |
| Jul 27, 2006 | 96 km SW of Singkil, Indonesia | M6.3 | 70 km | 20 km |
| Apr 3, 2005 | 33 km SSE of Singkil, Indonesia | M6.3 | 89 km | 36 km |
| Apr 25, 2006 | 87 km SE of Sinabang, Indonesia | M6.3 | 104 km | 21 km |
| Jan 22, 2008 | 146 km SSW of Singkil, Indonesia | M6.2 | 36 km | 20 km |
| Apr 28, 2005 | 60 km SE of Sinabang, Indonesia | M6.2 | 130 km | 22 km |
| May 11, 2004 | 181 km SW of Sibolga, Indonesia | M6.1 | 100 km | 21 km |
| Mar 28, 2005 | 136 km SW of Sibolga, Indonesia | M6.1 | 49 km | 36 km |
| Jan 26, 2011 | 58 km ESE of Sinabang, Indonesia | M6.1 | 134 km | 23 km |
| Jan 15, 2023 | 40 km SE of Singkil, Indonesia | M6.1 | 88 km | 37 km |
| Apr 11, 2005 | 54 km SE of Sinabang, Indonesia | M6.1 | 136 km | 24 km |
| Jun 8, 2005 | 51 km SE of Sinabang, Indonesia | M6.1 | 139 km | 24 km |
| Apr 3, 2023 | 77 km SW of Padangsidempuan, Indonesia | M6.1 | 145 km | 84 km |
| Sep 1, 2000 | 117 km SSE of Sinabang, Indonesia | M6.0 | 115 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 4.2 m (14 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2005 | INDONESIA | Earthquake | 4.2 m | 1,319 | 105 km |
| 2010 | SUMATRA | Earthquake | 0.4 m | — | 137 km |
| 1861 | SW. SUMATRA | Earthquake | — | 950 | 149 km |
| 1861 | SW. SUMATRA | Earthquake | — | — | 35 km |
| 1861 | SW. SUMATRA | Earthquake | — | — | 35 km |
| 1843 | SW. SUMATRA | Earthquake | — | — | 49 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Lubukraya (179 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 179 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 185 km |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 8.9 in | |
| February | 79°F (26°C) | 7.4 in | Driest |
| March | 79°F (26°C) | 9.7 in | |
| April | 80°F (26°C) | 10.9 in | Warmest |
| May | 80°F (26°C) | 8.5 in | |
| June | 79°F (26°C) | 7.9 in | |
| July | 78°F (26°C) | 8.7 in | |
| August | 78°F (26°C) | 9.9 in | |
| September | 78°F (25°C) | 11.7 in | Coldest |
| October | 78°F (26°C) | 15.6 in | Wettest |
| November | 78°F (26°C) | 15.5 in | |
| December | 78°F (26°C) | 12.8 in |
Gunungsitoli has a seasonal temperature swing of 2°F / from 78°F in September to 80°F in April. Total annual precipitation is 127.5 inches, with October being the wettest month (15.6") and February the driest (7.4").