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Weather & Climate in Mertoyudan, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mertoyudan has a warm climate with an average annual temperature of 73°F (23°C). Winters average 73°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 322 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 111.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,152 feet.
Temperature
73°F Jan (23°C)
70°F Jul (21°C)
| Annual Average | 72.5°F |
| 34% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 1,152 ft (351 m) |
| Area | 480.2 sq mi (1,243.8 km²) |
| Population Density | 146/sq mi |
| Coordinates | -7.5200°N, 110.2264°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
186 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 25, 2001 | 11 km NW of Srandakan, Indonesia | M6.3 | 39 km | 143 km |
| May 26, 2006 | 10 km E of Pundong, Indonesia | M6.3 | 55 km | 13 km |
| Jun 9, 1992 | 65 km S of Jatiroto, Indonesia | M6.1 | 143 km | 64 km |
| Jan 25, 2014 | 39 km S of Kroya, Indonesia | M6.1 | 118 km | 66 km |
| Jun 30, 2023 | 82 km SSW of Bambanglipuro, Indonesia | M5.9 | 127 km | 76 km |
| Sep 8, 2003 | 67 km S of Bambanglipuro, Indonesia | M5.9 | 115 km | 51 km |
| Oct 14, 2001 | 77 km SSE of Pundong, Indonesia | M5.8 | 128 km | 67 km |
| May 21, 1990 | 60 km SSW of Kroya, Indonesia | M5.6 | 147 km | 28 km |
| Nov 21, 1992 | 76 km S of Pundong, Indonesia | M5.5 | 127 km | 48 km |
| Aug 26, 2024 | 89 km S of Bambanglipuro, Indonesia | M5.4 | 138 km | 55 km |
| Jul 4, 1991 | 62 km S of Jatiroto, Indonesia | M5.3 | 135 km | 114 km |
| Aug 8, 2013 | 83 km S of Jatiroto, Indonesia | M5.3 | 148 km | 9 km |
| Aug 26, 1993 | 79 km S of Pundong, Indonesia | M5.3 | 129 km | 66 km |
| Aug 19, 2004 | 63 km SW of Srandakan, Indonesia | M5.2 | 98 km | 80 km |
| Jan 25, 2014 | 41 km S of Kroya, Indonesia | M5.2 | 115 km | 85 km |
| Feb 4, 1992 | 6 km SE of Margasari, Indonesia | M5.1 | 135 km | 58 km |
| Mar 22, 1993 | 90 km SSW of Jatiroto, Indonesia | M5.1 | 146 km | 52 km |
| Jul 1, 1994 | 38 km SSW of Kroya, Indonesia | M5.1 | 130 km | 101 km |
| Jun 27, 2021 | 55 km SE of Pundong, Indonesia | M5.1 | 103 km | 85 km |
| Jan 6, 2003 | 79 km SSE of Pundong, Indonesia | M5.1 | 130 km | 116 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Sumbing (23 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sumbing | Stratovolcano | 3,371 m (11,060 ft) | 1730 | 23 km |
| Merapi | Stratovolcano | 2,910 m (9,547 ft) | 2020 | 24 km |
| Merbabu | Stratovolcano | 3,118 m (10,230 ft) | 1797 | 25 km |
| Telomoyo | Stratovolcano | 1,864 m (6,115 ft) | Unknown | 26 km |
| Sundoro | Stratovolcano | 3,136 m (10,289 ft) | 1971 | 36 km |
| Ungaran | Stratovolcano | 2,050 m (6,726 ft) | Unknown | 40 km |
| Dieng Volcanic Complex | Complex | 2,565 m (8,415 ft) | 2018 | 52 km |
| Lawu | Stratovolcano | 3,265 m (10,712 ft) | 1885 | 107 km |
| Slamet | Stratovolcano | 3,428 m (11,247 ft) | 2014 | 117 km |
| Muria | Stratovolcano | 1,625 m (5,331 ft) | -160 | 123 km |
| Wilis | Stratovolcano | 2,563 m (8,409 ft) | Unknown | 172 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 15.9 in | Wettest |
| February | 76°F (25°C) | 14.3 in | |
| March | 77°F (25°C) | 15.5 in | |
| April | 77°F (25°C) | 10.9 in | |
| May | 77°F (25°C) | 7.2 in | |
| June | 76°F (25°C) | 4.5 in | |
| July | 70°F (21°C) | 1.9 in | Coldest |
| August | 75°F (24°C) | 1.6 in | Driest |
| September | 76°F (25°C) | 2.6 in | |
| October | 77°F (25°C) | 6.6 in | Warmest |
| November | 77°F (25°C) | 11.9 in | |
| December | 76°F (25°C) | 14.9 in |
Mertoyudan has a seasonal temperature swing of 7°F / from 70°F in July to 77°F in October. Total annual precipitation is 107.9 inches, with January being the wettest month (15.9") and August the driest (1.6").