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Weather & Climate in Boyolali, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Boyolali enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 68°F in January while summers reach 65°F in July / relatively mild seasonal variation. The area gets 333 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 82.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,437 feet.
Temperature
68°F Jan (20°C)
65°F Jul (18°C)
| Annual Average | 67.4°F |
| 25% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 333 days/yr |
Geography
| Elevation | 1,437 ft (438 m) |
| Area | 735.5 sq mi (1,904.9 km²) |
| Population Density | 81/sq mi |
| Coordinates | -7.5331°N, 110.5958°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
168 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 26, 2006 | 10 km E of Pundong, Indonesia | M6.3 | 50 km | 13 km |
| May 25, 2001 | 11 km NW of Srandakan, Indonesia | M6.3 | 59 km | 143 km |
| Jun 9, 1992 | 65 km S of Jatiroto, Indonesia | M6.1 | 118 km | 64 km |
| Jun 30, 2023 | 82 km SSW of Bambanglipuro, Indonesia | M5.9 | 139 km | 76 km |
| Sep 8, 2003 | 67 km S of Bambanglipuro, Indonesia | M5.9 | 122 km | 51 km |
| Jul 19, 2003 | 85 km SW of Trenggalek, Indonesia | M5.9 | 145 km | 56 km |
| May 5, 1995 | 93 km S of Jatiroto, Indonesia | M5.9 | 141 km | 77 km |
| Oct 14, 2001 | 77 km SSE of Pundong, Indonesia | M5.8 | 119 km | 67 km |
| Jun 7, 2023 | 146 km S of Wonosari, Indonesia | M5.6 | 148 km | 18 km |
| Nov 21, 1992 | 76 km S of Pundong, Indonesia | M5.5 | 125 km | 48 km |
| Jul 27, 1995 | 86 km SW of Trenggalek, Indonesia | M5.4 | 144 km | 72 km |
| Jan 29, 2000 | 82 km S of Jatiroto, Indonesia | M5.4 | 136 km | 61 km |
| Aug 26, 2024 | 89 km S of Bambanglipuro, Indonesia | M5.4 | 141 km | 55 km |
| Jul 20, 2008 | 81 km SW of Trenggalek, Indonesia | M5.3 | 141 km | 78 km |
| Aug 26, 1993 | 79 km S of Pundong, Indonesia | M5.3 | 129 km | 66 km |
| Aug 8, 2013 | 83 km S of Jatiroto, Indonesia | M5.3 | 128 km | 9 km |
| Jul 4, 1991 | 62 km S of Jatiroto, Indonesia | M5.3 | 111 km | 114 km |
| Aug 19, 2004 | 63 km SW of Srandakan, Indonesia | M5.2 | 122 km | 80 km |
| Mar 22, 1993 | 90 km SSW of Jatiroto, Indonesia | M5.1 | 130 km | 52 km |
| Jan 6, 2003 | 79 km SSE of Pundong, Indonesia | M5.1 | 120 km | 116 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Merapi (17 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 17 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 19 km |
| Telomoyo | Stratovolcano | 1,864 m (6,115 ft) | Unknown | 29 km |
| Ungaran | Stratovolcano | 2,050 m (6,726 ft) | Unknown | 49 km |
| Sumbing | Stratovolcano | 3,371 m (11,060 ft) | 1730 | 60 km |
| Lawu | Stratovolcano | 3,265 m (10,712 ft) | 1885 | 67 km |
| Sundoro | Stratovolcano | 3,136 m (10,289 ft) | 1971 | 71 km |
| Dieng Volcanic Complex | Complex | 2,565 m (8,415 ft) | 2018 | 87 km |
| Muria | Stratovolcano | 1,625 m (5,331 ft) | -160 | 106 km |
| Wilis | Stratovolcano | 2,563 m (8,409 ft) | Unknown | 132 km |
| Slamet | Stratovolcano | 3,428 m (11,247 ft) | 2014 | 156 km |
| Kelut | Stratovolcano | 1,731 m (5,679 ft) | 2014 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 15.4 in | Wettest |
| February | 75°F (24°C) | 14.1 in | |
| March | 76°F (24°C) | 15.0 in | |
| April | 76°F (25°C) | 10.0 in | |
| May | 76°F (25°C) | 7.2 in | |
| June | 75°F (24°C) | 4.2 in | |
| July | 65°F (18°C) | 2.1 in | Coldest |
| August | 75°F (24°C) | 1.7 in | Driest |
| September | 76°F (25°C) | 2.7 in | |
| October | 77°F (25°C) | 5.6 in | Warmest |
| November | 76°F (25°C) | 10.5 in | |
| December | 75°F (24°C) | 12.8 in |
Boyolali has a seasonal temperature swing of 12°F / from 65°F in July to 77°F in October. Total annual precipitation is 101.2 inches, with January being the wettest month (15.4") and August the driest (1.7").