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Weather & Climate in Slawi, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Slawi has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 345 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 61.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 141 feet.
Temperature
79°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 81.3°F |
| 51% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 345 days/yr |
Geography
| Elevation | 141 ft (43 m) |
| Area | 522.8 sq mi (1,354.2 km²) |
| Population Density | 117/sq mi |
| Coordinates | -6.9816°N, 109.1407°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
185 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Jan 25, 2014 | 39 km S of Kroya, Indonesia | M6.1 | 113 km | 66 km |
| Apr 26, 2011 | 74 km SSW of Sidareja, Indonesia | M5.6 | 143 km | 95 km |
| May 21, 1990 | 60 km SSW of Kroya, Indonesia | M5.6 | 129 km | 28 km |
| Jul 6, 1990 | 14 km WSW of Majalengka, Indonesia | M5.5 | 113 km | 14 km |
| Jul 24, 2015 | 77 km SSW of Kroya, Indonesia | M5.5 | 143 km | 48 km |
| Jun 9, 2019 | 70 km SSW of Kroya, Indonesia | M5.4 | 137 km | 70 km |
| Jan 26, 1999 | 83 km S of Sidareja, Indonesia | M5.3 | 147 km | 96 km |
| Jan 25, 2014 | 41 km S of Kroya, Indonesia | M5.2 | 115 km | 85 km |
| Apr 23, 2017 | 44 km SSW of Singaparna, Indonesia | M5.2 | 150 km | 72 km |
| Feb 4, 1992 | 6 km SE of Margasari, Indonesia | M5.1 | 19 km | 58 km |
| Jul 1, 1994 | 38 km SSW of Kroya, Indonesia | M5.1 | 109 km | 101 km |
| Jun 22, 2014 | 45 km SSW of Kawalu, Indonesia | M5.1 | 148 km | 72 km |
| Jun 29, 2019 | 69 km SSW of Kroya, Indonesia | M5.1 | 136 km | 79 km |
| Apr 13, 1991 | 29 km S of Singaparna, Indonesia | M5.0 | 137 km | 61 km |
| Aug 3, 2017 | 64 km SSW of Kroya, Indonesia | M5.0 | 132 km | 63 km |
| Jan 14, 1990 | 79 km SW of Kroya, Indonesia | M5.0 | 141 km | 89 km |
| Nov 12, 1999 | 40 km S of Singaparna, Indonesia | M5.0 | 146 km | 80 km |
| Jun 28, 2001 | 17 km SSE of Majalengka, Indonesia | M5.0 | 96 km | 37 km |
| Mar 16, 1994 | 20 km SSE of Kuningan, Indonesia | M5.0 | 69 km | 33 km |
| Jan 27, 2014 | 45 km S of Kroya, Indonesia | M5.0 | 119 km | 88 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Slamet (30 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Slamet | Stratovolcano | 3,428 m (11,247 ft) | 2014 | 30 km |
| Cereme | Stratovolcano | 3,039 m (9,970 ft) | 1951 | 81 km |
| Dieng Volcanic Complex | Complex | 2,565 m (8,415 ft) | 2018 | 85 km |
| Sundoro | Stratovolcano | 3,136 m (10,289 ft) | 1971 | 100 km |
| Sumbing | Stratovolcano | 3,371 m (11,060 ft) | 1730 | 112 km |
| Talagabodas | Stratovolcano | 2,201 m (7,221 ft) | Unknown | 121 km |
| Galunggung | Stratovolcano | 2,168 m (7,113 ft) | 1984 | 123 km |
| Ungaran | Stratovolcano | 2,050 m (6,726 ft) | Unknown | 133 km |
| Guntur | Complex | 2,249 m (7,379 ft) | 1847 | 145 km |
| Telomoyo | Stratovolcano | 1,864 m (6,115 ft) | Unknown | 145 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 153 km |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 157 km |
| Papandayan | Stratovolcano(es) | 2,665 m (8,743 ft) | 2002 | 160 km |
| Kendang | Stratovolcano | 2,594 m (8,510 ft) | Unknown | 161 km |
| Tangkuban Parahu | Stratovolcano | 2,084 m (6,837 ft) | 2019 | 172 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 14.8 in | Coldest, Wettest |
| February | 80°F (27°C) | 12.6 in | |
| March | 81°F (27°C) | 11.0 in | |
| April | 82°F (28°C) | 6.9 in | |
| May | 82°F (28°C) | 5.4 in | |
| June | 81°F (27°C) | 3.7 in | |
| July | 80°F (27°C) | 2.0 in | |
| August | 80°F (27°C) | 1.5 in | Driest |
| September | 81°F (27°C) | 1.7 in | |
| October | 82°F (28°C) | 3.9 in | Warmest |
| November | 82°F (28°C) | 7.2 in | |
| December | 81°F (27°C) | 11.6 in |
Slawi has a seasonal temperature swing of 3°F / from 79°F in January to 82°F in October. Total annual precipitation is 82.2 inches, with January being the wettest month (14.8") and August the driest (1.5").