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Weather & Climate in Pematang Raya, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pematang Raya has a warm climate with an average annual temperature of 71°F (22°C). Winters average 73°F in January while summers reach 71°F in July / relatively mild seasonal variation. The area gets 285 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 160.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 3,323 feet.
Temperature
73°F Jan (23°C)
71°F Jul (22°C)
| Annual Average | 71.0°F |
| 31% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 3,323 ft (1,013 m) |
| Area | 30.9 sq mi (80.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 2.9658°N, 98.8473°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
311 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Sep 5, 2011 | 68 km WSW of Kabanjahe, Indonesia | M6.7 | 106 km | 91 km |
| Apr 3, 2005 | 33 km SSE of Singkil, Indonesia | M6.3 | 145 km | 36 km |
| Oct 10, 1996 | 62 km WSW of Binjai, Indonesia | M6.3 | 114 km | 33 km |
| Jan 20, 1993 | 95 km W of Kabanjahe, Indonesia | M6.2 | 136 km | 68 km |
| Jan 15, 2023 | 40 km SE of Singkil, Indonesia | M6.1 | 144 km | 37 km |
| Jun 23, 2012 | 66 km W of Kabanjahe, Indonesia | M6.1 | 106 km | 95 km |
| May 1, 2014 | 41 km SSE of Singkil, Indonesia | M5.9 | 148 km | 37 km |
| Jun 14, 2011 | 38 km ENE of Sibolga, Indonesia | M5.6 | 128 km | 22 km |
| Jan 16, 2017 | 14 km NNW of Berastagi, Indonesia | M5.6 | 57 km | 6 km |
| Mar 29, 2005 | 44 km N of Padangsidempuan, Indonesia | M5.5 | 138 km | 30 km |
| Jun 14, 2011 | 50 km N of Padangsidempuan, Indonesia | M5.5 | 133 km | 17 km |
| Mar 17, 2025 | 41 km ENE of Sibolga, Indonesia | M5.4 | 125 km | 47 km |
| Jul 15, 1995 | 14 km E of Parapat, Indonesia | M5.4 | 41 km | 165 km |
| Jul 11, 2017 | 10 km NNE of Parapat, Indonesia | M5.4 | 29 km | 147 km |
| Mar 15, 2014 | 13 km S of Pematangsiantar, Indonesia | M5.4 | 29 km | 172 km |
| Jul 24, 2007 | 23 km E of Singkil, Indonesia | M5.3 | 122 km | 63 km |
| May 19, 2008 | 39 km NNW of Padangsidempuan, Indonesia | M5.3 | 143 km | 10 km |
| Apr 19, 2015 | 26 km NE of Sibolga, Indonesia | M5.3 | 120 km | 123 km |
| Nov 1, 1993 | 45 km SE of Singkil, Indonesia | M5.3 | 131 km | 84 km |
| May 8, 2009 | 96 km WSW of Binjai, Indonesia | M5.2 | 140 km | 25 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1892 | NORTHEAST SUMATRA | Earthquake | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Toba (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toba | Caldera | 2,157 m (7,077 ft) | Unknown | 43 km |
| Singkut | Caldera(s) | 2,181 m (7,156 ft) | 1881 | 50 km |
| Sinabung | Stratovolcano | 2,460 m (8,071 ft) | 2019 | 55 km |
| Sibualbuali | Stratovolcano | 1,819 m (5,968 ft) | Unknown | 163 km |
| Lubukraya | Stratovolcano | 1,862 m (6,109 ft) | Unknown | 170 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 7.7 in | Warmest |
| February | 71°F (22°C) | 5.9 in | |
| March | 72°F (22°C) | 8.2 in | |
| April | 72°F (22°C) | 8.8 in | |
| May | 72°F (22°C) | 7.5 in | |
| June | 72°F (22°C) | 4.5 in | |
| July | 71°F (22°C) | 4.1 in | Driest |
| August | 71°F (22°C) | 5.6 in | |
| September | 71°F (21°C) | 8.9 in | |
| October | 71°F (21°C) | 11.2 in | Wettest |
| November | 70°F (21°C) | 10.2 in | |
| December | 70°F (21°C) | 9.5 in | Coldest |
Pematang Raya has a seasonal temperature swing of 3°F / from 70°F in December to 73°F in January. Total annual precipitation is 92.1 inches, with October being the wettest month (11.2") and July the driest (4.1").