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Weather & Climate in Pekalongan, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pekalongan has a warm climate with an average annual temperature of 81°F (27°C). Winters average 78°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 342 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 89.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
78°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 81.1°F |
| 50% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 342 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 17.5 sq mi (45.2 km²) |
| Population Density | 18,175/sq mi |
| Coordinates | -6.8886°N, 109.6753°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
117 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Sep 28, 1994 | 86 km NNW of Batang, Indonesia | M6.6 | 144 km | 638 km |
| May 26, 2006 | 10 km E of Pundong, Indonesia | M6.3 | 146 km | 13 km |
| May 25, 2001 | 11 km NW of Srandakan, Indonesia | M6.3 | 122 km | 143 km |
| Jan 25, 2014 | 39 km S of Kroya, Indonesia | M6.1 | 130 km | 66 km |
| Sep 28, 1994 | 91 km NNW of Batang, Indonesia | M6.0 | 150 km | 628 km |
| Dec 24, 1991 | 102 km NNW of Batang, Indonesia | M5.5 | 145 km | 533 km |
| Jan 25, 2014 | 41 km S of Kroya, Indonesia | M5.2 | 130 km | 85 km |
| Jul 1, 1994 | 38 km SSW of Kroya, Indonesia | M5.1 | 133 km | 101 km |
| Feb 4, 1992 | 6 km SE of Margasari, Indonesia | M5.1 | 73 km | 58 km |
| Jan 27, 2014 | 45 km S of Kroya, Indonesia | M5.0 | 135 km | 88 km |
| Sep 13, 2023 | 100 km NW of Batang, Indonesia | M5.0 | 138 km | 651 km |
| Mar 16, 1994 | 20 km SSE of Kuningan, Indonesia | M5.0 | 128 km | 33 km |
| Oct 4, 1994 | 79 km NW of Batang, Indonesia | M5.0 | 120 km | 652 km |
| Dec 7, 1990 | 16 km SW of Ketanggungan, Indonesia | M4.9 | 101 km | 221 km |
| Jul 13, 2012 | 41 km SSW of Kroya, Indonesia | M4.9 | 137 km | 74 km |
| Apr 19, 2013 | 9 km NW of Wonosobo, Indonesia | M4.8 | 49 km | 10 km |
| Jun 16, 1995 | 46 km SSW of Kroya, Indonesia | M4.8 | 142 km | 128 km |
| Jun 24, 2006 | 38 km SW of Srandakan, Indonesia | M4.8 | 149 km | 35 km |
| Jun 9, 2025 | 32 km WSW of Cilacap, Indonesia | M4.8 | 146 km | 99 km |
| Nov 24, 2013 | 14 km N of Ciamis, Indonesia | M4.8 | 150 km | 168 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Dieng Volcanic Complex (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Dieng Volcanic Complex | Complex | 2,565 m (8,415 ft) | 2018 | 41 km |
| Sundoro | Stratovolcano | 3,136 m (10,289 ft) | 1971 | 58 km |
| Slamet | Stratovolcano | 3,428 m (11,247 ft) | 2014 | 65 km |
| Sumbing | Stratovolcano | 3,371 m (11,060 ft) | 1730 | 70 km |
| Ungaran | Stratovolcano | 2,050 m (6,726 ft) | Unknown | 79 km |
| Telomoyo | Stratovolcano | 1,864 m (6,115 ft) | Unknown | 96 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 105 km |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 112 km |
| Muria | Stratovolcano | 1,625 m (5,331 ft) | -160 | 136 km |
| Cereme | Stratovolcano | 3,039 m (9,970 ft) | 1951 | 140 km |
| Talagabodas | Stratovolcano | 2,201 m (7,221 ft) | Unknown | 181 km |
| Galunggung | Stratovolcano | 2,168 m (7,113 ft) | 1984 | 183 km |
| Lawu | Stratovolcano | 3,265 m (10,712 ft) | 1885 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 22.9 in | Coldest, Wettest |
| February | 79°F (26°C) | 16.0 in | |
| March | 80°F (26°C) | 12.1 in | |
| April | 80°F (27°C) | 7.4 in | |
| May | 81°F (27°C) | 6.0 in | |
| June | 80°F (27°C) | 3.5 in | |
| July | 81°F (27°C) | 3.2 in | |
| August | 79°F (26°C) | 2.7 in | Driest |
| September | 80°F (27°C) | 2.8 in | |
| October | 81°F (27°C) | 5.1 in | Warmest |
| November | 80°F (27°C) | 6.5 in | |
| December | 79°F (26°C) | 11.0 in |
Pekalongan has a seasonal temperature swing of 3°F / from 78°F in January to 81°F in October. Total annual precipitation is 99.3 inches, with January being the wettest month (22.9") and August the driest (2.7").