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Weather & Climate in Penajam, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Penajam has a warm climate with an average annual temperature of 81°F (27°C). Winters average 78°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 298 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 119.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
78°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 81.0°F |
| 50% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 203.5 sq mi (527.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | -1.2492°N, 116.7697°W |
| Timezone | Asia/Makassar |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Sep 13, 2003 | 112 km ESE of City of Balikpapan, Indonesia | M4.9 | 125 km | 30 km |
| May 28, 1998 | 73 km WSW of Balikpapan, Indonesia | M4.8 | 68 km | 33 km |
| May 26, 2013 | 85 km NE of Amuntai, Indonesia | M4.7 | 128 km | 36 km |
| Jul 3, 1998 | 78 km WSW of Balikpapan, Indonesia | M4.6 | 73 km | 33 km |
| Jul 17, 2025 | 106 km SE of Balikpapan, Indonesia | M4.6 | 113 km | 10 km |
| Nov 21, 2009 | 82 km WSW of Balikpapan, Indonesia | M4.4 | 78 km | 44 km |
| May 2, 2018 | 90 km NE of Amuntai, Indonesia | M4.3 | 124 km | 10 km |
| May 19, 2019 | 115 km W of Balikpapan, Indonesia | M4.2 | 109 km | 16 km |
| Aug 29, 2015 | Kalimantan, Indonesia | M4.2 | 87 km | 14 km |
| Nov 22, 2009 | 82 km WSW of Balikpapan, Indonesia | M4.2 | 79 km | 35 km |
| Nov 27, 2009 | 89 km WSW of Balikpapan, Indonesia | M3.9 | 85 km | 35 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 8.1 in | Coldest |
| February | 82°F (28°C) | 7.0 in | |
| March | 82°F (28°C) | 8.7 in | |
| April | 83°F (28°C) | 9.1 in | Wettest |
| May | 83°F (28°C) | 7.7 in | Warmest |
| June | 82°F (28°C) | 6.5 in | |
| July | 80°F (27°C) | 5.3 in | |
| August | 82°F (28°C) | 5.2 in | |
| September | 83°F (28°C) | 5.0 in | Driest |
| October | 83°F (28°C) | 5.8 in | |
| November | 82°F (28°C) | 7.8 in | |
| December | 82°F (28°C) | 8.5 in |
Penajam has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in May. Total annual precipitation is 84.7 inches, with April being the wettest month (9.1") and September the driest (5.0").