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Weather & Climate in Jombang, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jombang has a warm climate with an average annual temperature of 80°F (26°C). Winters average 79°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 215 sunny days per year. Annual precipitation totals 67.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 141 feet.
Temperature
79°F Jan (26°C)
78°F Jul (26°C)
| Annual Average | 79.6°F |
| 47% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 215 days/yr |
Geography
| Elevation | 141 ft (43 m) |
| Area | 527.9 sq mi (1,367.3 km²) |
| Population Density | 240/sq mi |
| Coordinates | -7.5460°N, 112.2331°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
188 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Sep 28, 1998 | 8 km WSW of Sumberpucung, Indonesia | M6.6 | 75 km | 152 km |
| Apr 10, 2021 | 45 km S of Sumberpucung, Indonesia | M6.0 | 118 km | 67 km |
| May 21, 2021 | 33 km SSW of Sumberpucung, Indonesia | M5.8 | 98 km | 106 km |
| Feb 12, 2000 | 60 km S of Sumberpucung, Indonesia | M5.3 | 131 km | 108 km |
| Jun 26, 1992 | 66 km SSW of Dampit, Indonesia | M5.2 | 144 km | 64 km |
| Jan 18, 1994 | 21 km WSW of Kencong, Indonesia | M5.2 | 139 km | 141 km |
| May 28, 2003 | 46 km S of Sumberpucung, Indonesia | M5.2 | 118 km | 65 km |
| Jan 14, 2001 | 31 km SSW of Dampit, Indonesia | M5.2 | 112 km | 74 km |
| Jan 19, 2001 | 65 km SSW of Dampit, Indonesia | M5.2 | 142 km | 112 km |
| Feb 7, 2017 | 30 km WSW of Kencong, Indonesia | M5.2 | 139 km | 141 km |
| Jan 25, 2004 | 14 km NNE of Ngunut, Indonesia | M5.2 | 53 km | 116 km |
| Jun 6, 2010 | 45 km S of Sumberpucung, Indonesia | M5.1 | 117 km | 88 km |
| Jul 5, 1992 | 29 km W of Madiun, Indonesia | M5.1 | 107 km | 33 km |
| Sep 5, 2000 | 41 km S of Blitar, Indonesia | M5.1 | 104 km | 137 km |
| Mar 2, 2016 | 50 km SSW of Gongdanglegi Kulon, Indonesia | M5.1 | 124 km | 78 km |
| Apr 10, 2021 | 22 km S of Sumberpucung, Indonesia | M5.1 | 94 km | 113 km |
| Feb 3, 2008 | 63 km SSW of Trenggalek, Indonesia | M5.1 | 143 km | 35 km |
| Apr 10, 1993 | 57 km SSE of Jatiroto, Indonesia | M5.0 | 143 km | 88 km |
| Jun 11, 2022 | 36 km SW of Trenggalek, Indonesia | M5.0 | 119 km | 109 km |
| Sep 16, 2003 | 12 km N of Trenggalek, Indonesia | M5.0 | 76 km | 91 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Arjuno-Welirang (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Arjuno-Welirang | Stratovolcano | 3,339 m (10,955 ft) | 1952 | 43 km |
| Penanggungan | Stratovolcano | 1,631 m (5,351 ft) | Unknown | 43 km |
| Kelut | Stratovolcano | 1,731 m (5,679 ft) | 2014 | 44 km |
| Wilis | Stratovolcano | 2,563 m (8,409 ft) | Unknown | 60 km |
| Tengger Caldera | Stratovolcano(es) | 2,329 m (7,641 ft) | 2019 | 90 km |
| Semeru | Stratovolcano | 3,657 m (11,998 ft) | 2020 | 98 km |
| Lawu | Stratovolcano | 3,265 m (10,712 ft) | 1885 | 115 km |
| Lamongan | Stratovolcano | 1,641 m (5,384 ft) | 1898 | 131 km |
| Iyang-Argapura | Complex | 3,088 m (10,131 ft) | Unknown | 155 km |
| Muria | Stratovolcano | 1,625 m (5,331 ft) | -160 | 181 km |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 197 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 12.8 in | |
| February | 79°F (26°C) | 13.5 in | Wettest |
| March | 80°F (26°C) | 11.4 in | |
| April | 80°F (27°C) | 6.5 in | |
| May | 80°F (27°C) | 3.7 in | |
| June | 79°F (26°C) | 1.5 in | |
| July | 78°F (26°C) | 0.8 in | Coldest |
| August | 79°F (26°C) | 0.5 in | Driest |
| September | 80°F (27°C) | 0.9 in | |
| October | 81°F (27°C) | 1.9 in | Warmest |
| November | 81°F (27°C) | 4.9 in | |
| December | 80°F (27°C) | 9.4 in |
Jombang has a seasonal temperature swing of 3°F / from 78°F in July to 81°F in October. Total annual precipitation is 67.9 inches, with February being the wettest month (13.5") and August the driest (0.5").