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Weather & Climate in Japah, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Japah has a warm climate with an average annual temperature of 81°F (27°C). Winters average 77°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 338 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 71.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 322 feet.
Temperature
77°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 80.6°F |
| 49% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 338 days/yr |
Geography
| Elevation | 322 ft (98 m) |
| Area | 316.1 sq mi (818.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | -6.9423°N, 111.2903°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
103 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Apr 14, 2023 | Java, Indonesia | M7.0 | 131 km | 597 km |
| Sep 2, 1992 | 94 km N of Tuban, Indonesia | M6.7 | 137 km | 625 km |
| May 26, 2006 | 10 km E of Pundong, Indonesia | M6.3 | 147 km | 13 km |
| Sep 19, 2019 | 81 km NNE of Lasem, Indonesia | M6.1 | 115 km | 610 km |
| Jul 11, 1997 | 87 km N of Batang, Indonesia | M6.0 | 149 km | 574 km |
| Sep 19, 2019 | 85 km NE of Lasem, Indonesia | M5.9 | 118 km | 618 km |
| Sep 19, 2019 | 86 km NE of Lasem, Indonesia | M5.6 | 119 km | 636 km |
| Jan 25, 2004 | 14 km NNE of Ngunut, Indonesia | M5.2 | 146 km | 116 km |
| Feb 24, 2002 | 89 km NNE of Batang, Indonesia | M5.2 | 145 km | 545 km |
| Jul 23, 1990 | 87 km NNE of Batang, Indonesia | M5.1 | 141 km | 583 km |
| Jul 5, 1992 | 29 km W of Madiun, Indonesia | M5.1 | 81 km | 33 km |
| Feb 16, 2021 | 92 km N of Tuban, Indonesia | M5.1 | 132 km | 592 km |
| May 10, 1997 | Java Sea | M5.0 | 133 km | 600 km |
| Aug 8, 2011 | 83 km NNE of Tayu, Indonesia | M5.0 | 124 km | 510 km |
| Mar 13, 1994 | 11 km WSW of Madiun, Indonesia | M5.0 | 82 km | 97 km |
| Sep 16, 2003 | 12 km N of Trenggalek, Indonesia | M5.0 | 122 km | 91 km |
| Mar 31, 2000 | 36 km SSW of Ponorogo, Indonesia | M4.9 | 139 km | 95 km |
| Jul 12, 1993 | 39 km WSW of Trenggalek, Indonesia | M4.8 | 148 km | 158 km |
| Apr 6, 2022 | 18 km S of Wedi, Indonesia | M4.8 | 134 km | 150 km |
| Dec 9, 1990 | 42 km S of Selogiri, Indonesia | M4.8 | 146 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Muria (58 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Muria | Stratovolcano | 1,625 m (5,331 ft) | -160 | 58 km |
| Lawu | Stratovolcano | 3,265 m (10,712 ft) | 1885 | 77 km |
| Telomoyo | Stratovolcano | 1,864 m (6,115 ft) | Unknown | 109 km |
| Wilis | Stratovolcano | 2,563 m (8,409 ft) | Unknown | 109 km |
| Ungaran | Stratovolcano | 2,050 m (6,726 ft) | Unknown | 109 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 110 km |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 114 km |
| Sumbing | Stratovolcano | 3,371 m (11,060 ft) | 1730 | 143 km |
| Sundoro | Stratovolcano | 3,136 m (10,289 ft) | 1971 | 149 km |
| Kelut | Stratovolcano | 1,731 m (5,679 ft) | 2014 | 157 km |
| Dieng Volcanic Complex | Complex | 2,565 m (8,415 ft) | 2018 | 158 km |
| Penanggungan | Stratovolcano | 1,631 m (5,351 ft) | Unknown | 165 km |
| Arjuno-Welirang | Stratovolcano | 3,339 m (10,955 ft) | 1952 | 167 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 11.0 in | Coldest, Wettest |
| February | 79°F (26°C) | 8.8 in | |
| March | 79°F (26°C) | 8.8 in | |
| April | 80°F (27°C) | 5.8 in | |
| May | 80°F (27°C) | 4.2 in | |
| June | 80°F (26°C) | 2.5 in | |
| July | 80°F (27°C) | 1.5 in | |
| August | 80°F (27°C) | 1.0 in | Driest |
| September | 81°F (27°C) | 2.1 in | |
| October | 82°F (28°C) | 3.8 in | Warmest |
| November | 81°F (27°C) | 6.9 in | |
| December | 80°F (26°C) | 10.1 in |
Japah has a seasonal temperature swing of 5°F / from 77°F in January to 82°F in October. Total annual precipitation is 66.5 inches, with January being the wettest month (11.0") and August the driest (1.0").