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Weather & Climate in Sepatan, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sepatan has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 341 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 65.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 36 feet.
Temperature
79°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 81.1°F |
| 50% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 341 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 11.1 sq mi (28.6 km²) |
| Population Density | 10,709/sq mi |
| Coordinates | -6.1189°N, 106.5750°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
444 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Aug 8, 2007 | 35 km NNE of Rengasdengklok, Indonesia | M7.5 | 98 km | 280 km |
| Oct 25, 2000 | 29 km SW of Labuan, Indonesia | M6.8 | 115 km | 38 km |
| Dec 21, 1999 | 59 km SSW of Labuan, Indonesia | M6.5 | 139 km | 56 km |
| Mar 17, 1997 | 43 km SW of Labuan, Indonesia | M6.4 | 130 km | 33 km |
| Jul 19, 2006 | 51 km WSW of Labuan, Indonesia | M6.1 | 139 km | 45 km |
| Aug 8, 2007 | 42 km NNW of Pamanukan, Indonesia | M6.1 | 124 km | 291 km |
| Jan 23, 2018 | 66 km W of Pelabuhanratu, Indonesia | M5.9 | 128 km | 48 km |
| Oct 18, 1992 | 47 km SSW of Labuan, Indonesia | M5.8 | 128 km | 37 km |
| Mar 12, 2001 | 53 km WSW of Pelabuhanratu, Indonesia | M5.8 | 131 km | 33 km |
| Apr 14, 2012 | 63 km SW of Labuan, Indonesia | M5.8 | 146 km | 63 km |
| Aug 2, 1990 | 48 km W of Labuan, Indonesia | M5.8 | 136 km | 48 km |
| Aug 26, 2002 | 43 km SSW of Labuan, Indonesia | M5.8 | 119 km | 63 km |
| May 16, 1992 | 68 km S of Bandar Lampung, Indonesia | M5.7 | 143 km | 33 km |
| Nov 1, 2012 | 10 km NE of Padalarang, Indonesia | M5.7 | 127 km | 142 km |
| Jan 8, 2000 | 45 km SSW of Labuan, Indonesia | M5.6 | 124 km | 62 km |
| Jul 21, 2000 | 61 km ESE of Bandar Lampung, Indonesia | M5.5 | 106 km | 140 km |
| May 12, 2006 | 21 km SE of Bandar Lampung, Indonesia | M5.5 | 144 km | 17 km |
| Jun 12, 2012 | 37 km SE of Bandar Lampung, Indonesia | M5.5 | 129 km | 164 km |
| Jan 20, 1990 | 31 km SSE of Labuan, Indonesia | M5.4 | 94 km | 64 km |
| Mar 25, 2004 | 52 km SW of Labuan, Indonesia | M5.4 | 139 km | 75 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
5 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 | 127 km |
| 1883 | KRAKATAU | Astronomical | 41.0 m | 36,417 | 127 km |
| 1928 | KRAKATAU | Astronomical | 4.0 m | - | 127 km |
| 1981 | KRAKATAU | Explosion | 2.0 m | - | 127 km |
| 1852 | JAVA | Earthquake | - | - | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Karang (60 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Karang | Stratovolcano | 1,768 m (5,801 ft) | Unknown | 60 km |
| Salak | Stratovolcano | 2,211 m (7,254 ft) | 1938 | 69 km |
| Perbakti-Gagak | Stratovolcano(es) | 1,699 m (5,574 ft) | 1939 | 72 km |
| Gede-Pangrango | Stratovolcano(es) | 3,008 m (9,869 ft) | 1957 | 84 km |
| Krakatau | Caldera | 155 m (509 ft) | 2020 | 127 km |
| Tangkuban Parahu | Stratovolcano | 2,084 m (6,837 ft) | 2019 | 134 km |
| Patuha | Stratovolcano | 2,422 m (7,946 ft) | Unknown | 148 km |
| Kendang | Stratovolcano | 2,594 m (8,510 ft) | Unknown | 177 km |
| Guntur | Complex | 2,249 m (7,379 ft) | 1847 | 180 km |
| Papandayan | Stratovolcano(es) | 2,665 m (8,743 ft) | 2002 | 185 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 13.2 in | Wettest |
| February | 79°F (26°C) | 10.4 in | Coldest |
| March | 80°F (27°C) | 8.2 in | |
| April | 81°F (27°C) | 6.7 in | |
| May | 81°F (27°C) | 3.5 in | Warmest |
| June | 81°F (27°C) | 3.9 in | |
| July | 81°F (27°C) | 2.9 in | |
| August | 80°F (27°C) | 2.4 in | Driest |
| September | 81°F (27°C) | 3.2 in | |
| October | 81°F (27°C) | 4.8 in | |
| November | 81°F (27°C) | 5.5 in | |
| December | 80°F (26°C) | 8.4 in |
Sepatan has a seasonal temperature swing of 2°F / from 79°F in February to 81°F in May. Total annual precipitation is 73.1 inches, with January being the wettest month (13.2") and August the driest (2.4").