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Cilegon, Indonesia
Full City Profile
450,271
Population
6,645/sq mi density
59 ft
Elevation
18 meters
80°F
Avg Temperature
27°C
Cilegon has a warm climate with an average annual temperature of 80°F (27°C). Winters average 79°F in January while summers reach 79°F in July. The area gets 340 sunny days per year. Annual precipitation totals 72.5 inches. The area receives 0.0 inches of snow annually.
Temperature
79°F Jan (26°C)
79°F Jul (26°C)
| Annual Average | 80.2°F |
| 49% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 340 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 67.8 sq mi (175.5 km²) |
| Population Density | 6,645/sq mi |
| Coordinates | -6.0144°N, 106.0542°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 85.0 m (279 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2018 | KRAKATAU | Explosion | 85.0 m | 437 | 71 km |
| 1883 | KRAKATAU | Astronomical | 41.0 m | 36,417 | 71 km |
| 1928 | KRAKATAU | Astronomical | 4.0 m | — | 71 km |
| 1981 | KRAKATAU | Explosion | 2.0 m | — | 71 km |
| 1930 | SOUTH OF JAVA | Earthquake | 1.5 m | — | 95 km |
| 1852 | JAVA | Earthquake | — | — | 82 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Karang (28 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Karang | Stratovolcano | 1,768 m (5,801 ft) | Unknown | 28 km |
| Krakatau | Caldera | 155 m (509 ft) | 2020 | 71 km |
| Salak | Stratovolcano | 2,211 m (7,254 ft) | 1938 | 108 km |
| Perbakti-Gagak | Stratovolcano(es) | 1,699 m (5,574 ft) | 1939 | 109 km |
| Gede-Pangrango | Stratovolcano(es) | 3,008 m (9,869 ft) | 1957 | 131 km |
| Hulubelu | Caldera | 849 m (2,785 ft) | Unknown | 179 km |
| Tangkuban Parahu | Stratovolcano | 2,084 m (6,837 ft) | 2019 | 190 km |
| Patuha | Stratovolcano | 2,422 m (7,946 ft) | Unknown | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 13.4 in | Wettest |
| February | 78°F (25°C) | 10.8 in | Coldest |
| March | 79°F (26°C) | 8.1 in | |
| April | 79°F (26°C) | 7.3 in | |
| May | 80°F (27°C) | 5.2 in | Warmest |
| June | 79°F (26°C) | 3.5 in | |
| July | 79°F (26°C) | 3.0 in | |
| August | 79°F (26°C) | 2.9 in | Driest |
| September | 79°F (26°C) | 3.5 in | |
| October | 80°F (26°C) | 5.7 in | |
| November | 79°F (26°C) | 7.4 in | |
| December | 78°F (26°C) | 8.9 in |
Cilegon has a seasonal temperature swing of 2°F / from 78°F in February to 80°F in May. Total annual precipitation is 79.6 inches, with January being the wettest month (13.4") and August the driest (2.9").