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Weather & Climate in Alahanpanjang, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alahanpanjang has a warm climate with an average annual temperature of 77°F (25°C). Winters average 78°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 319 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 137.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 4,639 feet.
Temperature
78°F Jan (25°C)
77°F Jul (25°C)
| Annual Average | 77.2°F |
| 43% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 319 days/yr |
Geography
| Elevation | 4,639 ft (1,414 m) |
| Area | 22.3 sq mi (57.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | -1.0749°N, 100.7935°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
620 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Sep 30, 2009 | 30 km WSW of Pariaman, Indonesia | M7.6 | 110 km | 81 km |
| Oct 6, 1995 | 5 km ENE of Sungai Penuh, Indonesia | M6.8 | 129 km | 33 km |
| Apr 10, 2005 | 113 km SW of Padang, Indonesia | M6.7 | 146 km | 19 km |
| Jun 1, 2016 | 80 km W of Sungai Penuh, Indonesia | M6.6 | 115 km | 50 km |
| Aug 4, 1993 | 111 km SW of Padang, Indonesia | M6.5 | 145 km | 32 km |
| Apr 10, 2005 | 106 km SW of Padang, Indonesia | M6.5 | 133 km | 30 km |
| Jul 2, 1991 | 58 km WSW of Padang, Indonesia | M6.4 | 106 km | 54 km |
| Apr 10, 2005 | 100 km SW of Padang, Indonesia | M6.4 | 133 km | 30 km |
| Mar 6, 2007 | 24 km SE of Bukittinggi, Indonesia | M6.4 | 73 km | 19 km |
| Aug 31, 2017 | 76 km SW of Pariaman, Indonesia | M6.3 | 123 km | 43 km |
| Mar 6, 2007 | 26 km SE of Bukittinggi, Indonesia | M6.3 | 72 km | 11 km |
| Feb 22, 2004 | 69 km SSE of Padang, Indonesia | M6.0 | 64 km | 42 km |
| Apr 10, 2005 | 109 km SW of Padang, Indonesia | M5.8 | 138 km | 29 km |
| Apr 10, 2005 | 109 km SW of Padang, Indonesia | M5.7 | 143 km | 30 km |
| May 5, 2021 | 127 km SSW of Padang, Indonesia | M5.7 | 149 km | 30 km |
| Jul 14, 2003 | 25 km NW of Sijunjung, Indonesia | M5.7 | 60 km | 144 km |
| Apr 14, 2005 | 115 km SSW of Padang, Indonesia | M5.7 | 132 km | 33 km |
| Apr 10, 2005 | 109 km SW of Padang, Indonesia | M5.6 | 142 km | 24 km |
| Apr 9, 2004 | 69 km SSE of Padang, Indonesia | M5.5 | 60 km | 66 km |
| Apr 10, 2005 | 112 km SW of Padang, Indonesia | M5.5 | 146 km | 30 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 1.4 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1908 | SW. SUMATRA | Earthquake | 1.4 m | — | 136 km |
| 2005 | KEPULAUAN MENTAWAI | Earthquake | 0.4 m | — | 146 km |
| 2009 | SUMATRA | Earthquake | 0.3 m | 1,117 | 110 km |
| 1861 | SW. SUMATRA | Earthquake | — | — | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Talang (16 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Talang | Stratovolcano | 2,575 m (8,448 ft) | 2007 | 16 km |
| Marapi | Complex | 2,885 m (9,465 ft) | 2018 | 85 km |
| Kerinci | Stratovolcano | 3,800 m (12,467 ft) | 2020 | 87 km |
| Tandikat-Singgalang | Stratovolcano(es) | 2,854 m (9,364 ft) | 1924 | 92 km |
| Sarik-Gajah | Pyroclastic cone(s) | 737 m (2,418 ft) | Unknown | 144 km |
| Talakmau | Complex | 2,919 m (9,577 ft) | Unknown | 157 km |
| Sumbing | Stratovolcano | 2,507 m (8,225 ft) | 1921 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 10.1 in | Warmest |
| February | 74°F (23°C) | 7.4 in | |
| March | 74°F (23°C) | 9.9 in | |
| April | 75°F (24°C) | 11.3 in | |
| May | 75°F (24°C) | 7.9 in | |
| June | 74°F (23°C) | 5.6 in | |
| July | 77°F (25°C) | 5.2 in | Driest |
| August | 73°F (23°C) | 6.3 in | Coldest |
| September | 73°F (23°C) | 8.3 in | |
| October | 74°F (23°C) | 10.9 in | |
| November | 74°F (23°C) | 11.4 in | Wettest |
| December | 74°F (23°C) | 10.6 in |
Alahanpanjang has a seasonal temperature swing of 4°F / from 73°F in August to 78°F in January. Total annual precipitation is 104.9 inches, with November being the wettest month (11.4") and July the driest (5.2").