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Weather & Climate in Bolaang, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bolaang has a warm climate with an average annual temperature of 75°F (24°C). Winters average 81°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 331 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 81.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
81°F Jan (27°C)
75°F Jul (24°C)
| Annual Average | 75.3°F |
| 39% above US avg | |
| January Average | 81°F (27°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 331 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | 0.9411°N, 124.1556°W |
| Timezone | Asia/Makassar |
Precipitation & Snow
Air Quality
Earthquake History
1,326 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.8.
| Apr 18, 1990 | 75 km NNW of Gorontalo, Indonesia | M7.8 | 147 km | 26 km |
| May 19, 1991 | 69 km N of Gorontalo, Indonesia | M7.0 | 135 km | 33 km |
| Apr 19, 1990 | 75 km NNE of Gorontalo, Indonesia | M6.5 | 83 km | 24 km |
| Apr 18, 1990 | 86 km N of Gorontalo, Indonesia | M6.5 | 133 km | 19 km |
| Jun 30, 2004 | 58 km S of Tomohon, Indonesia | M6.3 | 65 km | 91 km |
| May 19, 2006 | 161 km S of Tondano, Indonesia | M6.3 | 136 km | 35 km |
| Dec 13, 1990 | 88 km WSW of Tomohon, Indonesia | M6.2 | 24 km | 33 km |
| Jan 19, 2020 | 108 km SE of Gorontalo, Indonesia | M6.1 | 123 km | 122 km |
| Feb 25, 2025 | 45 km E of Modisi, Indonesia | M6.1 | 97 km | 22 km |
| Apr 19, 1990 | Minahasa, Sulawesi, Indonesia | M6.0 | 132 km | 33 km |
| Jun 23, 2020 | 97 km SE of Gorontalo, Indonesia | M6.0 | 109 km | 109 km |
| Jun 6, 1992 | 89 km WSW of Tomohon, Indonesia | M6.0 | 19 km | 18 km |
| Jun 10, 1992 | 83 km WSW of Tomohon, Indonesia | M6.0 | 18 km | 31 km |
| May 15, 1990 | 105 km W of Tomohon, Indonesia | M6.0 | 40 km | 30 km |
| Apr 26, 1990 | 63 km NNW of Gorontalo, Indonesia | M6.0 | 149 km | 24 km |
| Sep 1, 1995 | 58 km SSE of Gorontalo, Indonesia | M5.9 | 143 km | 144 km |
| May 19, 1991 | 88 km N of Gorontalo, Indonesia | M5.9 | 135 km | 33 km |
| Jan 1, 1997 | 112 km SE of Gorontalo, Indonesia | M5.8 | 124 km | 115 km |
| Jun 11, 1992 | 81 km WSW of Tomohon, Indonesia | M5.8 | 16 km | 28 km |
| Jul 24, 2003 | 132 km S of Tomohon, Indonesia | M5.8 | 101 km | 73 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1885 | SULAWESI ISLAND | Unknown | — | — | 24 km |
| 1859 | N. MOLUCCAS ISLANDS | Unknown | — | — | 115 km |
| 1857 | KEMA, SULAWESI I, N. MOLUCCAS IS | Earthquake | — | — | 125 km |
| 1845 | CELEBES SEA | Earthquake | — | 118 | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Ambang (36 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambang | Complex | 1,795 m (5,889 ft) | 2005 | 36 km |
| Soputan | Stratovolcano | 1,785 m (5,856 ft) | 2020 | 67 km |
| Tondano Caldera | Caldera | 1,202 m (3,944 ft) | Unknown | 82 km |
| Lokon-Empung | Stratovolcano(es) | 1,580 m (5,184 ft) | 2015 | 85 km |
| Mahawu | Stratovolcano | 1,299 m (4,262 ft) | 1977 | 91 km |
| Klabat | Stratovolcano | 1,968 m (6,457 ft) | Unknown | 113 km |
| Tangkoko-Duasudara | Stratovolcano | 1,334 m (4,377 ft) | 1880 | 131 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 81°F (27°C) | 10.6 in | Warmest, Wettest |
| February | 75°F (24°C) | 9.1 in | Coldest |
| March | 75°F (24°C) | 8.7 in | |
| April | 76°F (24°C) | 9.2 in | |
| May | 76°F (25°C) | 9.5 in | |
| June | 76°F (24°C) | 7.4 in | |
| July | 75°F (24°C) | 5.4 in | |
| August | 76°F (24°C) | 4.0 in | Driest |
| September | 76°F (24°C) | 5.0 in | |
| October | 76°F (24°C) | 6.8 in | |
| November | 76°F (24°C) | 9.6 in | |
| December | 75°F (24°C) | 9.9 in |
Bolaang has a seasonal temperature swing of 7°F / from 75°F in February to 81°F in January. Total annual precipitation is 95.2 inches, with January being the wettest month (10.6") and August the driest (4.0").