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Weather & Climate in Bontang Baru, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bontang Baru has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 336 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 119.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
79°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 80.8°F |
| 50% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 336 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 157.0 sq mi (406.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 0.1194°N, 117.4866°W |
| Timezone | Asia/Makassar |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 16, 2000 | 145 km NE of Bontang, Indonesia | M5.4 | 147 km | 33 km |
| Dec 26, 1994 | 131 km NNE of Bontang, Indonesia | M4.9 | 133 km | 33 km |
| Apr 26, 2017 | 100 km ENE of Bontang, Indonesia | M4.6 | 101 km | 10 km |
| Sep 7, 2001 | 137 km NE of Bontang, Indonesia | M4.6 | 138 km | 33 km |
| Jun 16, 2025 | 137 km ENE of Bontang, Indonesia | M4.5 | 139 km | 13 km |
| Feb 24, 2007 | 138 km ENE of Bontang, Indonesia | M4.4 | 139 km | 30 km |
| Aug 31, 2004 | 147 km ENE of Bontang, Indonesia | M4.4 | 148 km | 130 km |
| Apr 22, 2000 | 132 km NE of Bontang, Indonesia | M4.2 | 134 km | 33 km |
| May 4, 1995 | 140 km ENE of Bontang, Indonesia | M4.1 | 141 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 7.1 in | Coldest |
| February | 82°F (28°C) | 6.2 in | |
| March | 83°F (28°C) | 8.2 in | |
| April | 83°F (28°C) | 8.8 in | Wettest |
| May | 83°F (28°C) | 7.4 in | Warmest |
| June | 82°F (28°C) | 5.8 in | |
| July | 80°F (27°C) | 4.4 in | Driest |
| August | 82°F (28°C) | 4.4 in | |
| September | 83°F (28°C) | 4.8 in | |
| October | 83°F (28°C) | 5.5 in | |
| November | 83°F (28°C) | 7.7 in | |
| December | 82°F (28°C) | 7.9 in |
Bontang Baru has a seasonal temperature swing of 4°F / from 79°F in January to 83°F in May. Total annual precipitation is 78.2 inches, with April being the wettest month (8.8") and July the driest (4.4").