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Weather & Climate in Mersam, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mersam has a warm climate with an average annual temperature of 79°F (26°C). Winters average 78°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 330 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 116.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 92 feet.
Temperature
78°F Jan (25°C)
79°F Jul (26°C)
| Annual Average | 79.3°F |
| 47% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 92 ft (28 m) |
| Area | 563.6 sq mi (1,459.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | -1.6982°N, 102.9976°W |
| Timezone | Asia/Jakarta |
Precipitation & Snow
Air Quality
Earthquake History
81 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.
| Jul 25, 2004 | 100 km SSE of Jambi City, Indonesia | M7.3 | 136 km | 582 km |
| May 15, 2015 | 106 km ESE of Sungai Penuh, Indonesia | M6.0 | 128 km | 151 km |
| Jun 16, 2002 | 103 km SW of Bejubang Dua, Indonesia | M5.8 | 86 km | 232 km |
| Jul 31, 2017 | 93 km NNW of Curup, Indonesia | M5.1 | 137 km | 159 km |
| Jun 19, 2014 | 78 km NNW of Curup, Indonesia | M5.1 | 139 km | 170 km |
| Mar 29, 2016 | 76 km NNW of Curup, Indonesia | M5.1 | 145 km | 160 km |
| Nov 22, 1994 | 83 km WSW of Bejubang Dua, Indonesia | M5.1 | 54 km | 236 km |
| Sep 16, 1996 | 128 km NE of Sungai Penuh, Indonesia | M5.0 | 100 km | 262 km |
| Jul 3, 2009 | 100 km NW of Lubuklinggau, Indonesia | M5.0 | 125 km | 164 km |
| Feb 26, 1993 | 91 km NNW of Curup, Indonesia | M4.9 | 144 km | 146 km |
| Dec 21, 1995 | 104 km NW of Lubuklinggau, Indonesia | M4.8 | 125 km | 152 km |
| Feb 20, 1992 | 100 km E of Sungai Penuh, Indonesia | M4.7 | 88 km | 216 km |
| May 22, 1993 | 103 km E of Sungai Penuh, Indonesia | M4.7 | 87 km | 200 km |
| Sep 22, 2015 | 109 km NNW of Lubuklinggau, Indonesia | M4.7 | 99 km | 213 km |
| May 30, 2014 | 92 km ESE of Sungai Penuh, Indonesia | M4.7 | 116 km | 195 km |
| Mar 16, 1992 | 74 km E of Sungai Penuh, Indonesia | M4.7 | 116 km | 191 km |
| Aug 8, 2015 | 101 km E of Sungai Penuh, Indonesia | M4.6 | 89 km | 201 km |
| Oct 18, 2003 | 78 km SE of Sungai Penuh, Indonesia | M4.6 | 142 km | 33 km |
| Jul 18, 2006 | 71 km E of Sungai Penuh, Indonesia | M4.6 | 113 km | 174 km |
| May 25, 1996 | 99 km W of Bejubang Dua, Indonesia | M4.6 | 66 km | 221 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Sumbing (162 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sumbing | Stratovolcano | 2,507 m (8,225 ft) | 1921 | 162 km |
| Hululais | Compound | 2,122 m (6,962 ft) | Unknown | 192 km |
| Kerinci | Stratovolcano | 3,800 m (12,467 ft) | 2020 | 193 km |
| Daun, Bukit | Stratovolcano(es) | 2,467 m (8,094 ft) | Unknown | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 12.2 in | Coldest, Wettest |
| February | 79°F (26°C) | 9.2 in | |
| March | 79°F (26°C) | 10.6 in | |
| April | 80°F (27°C) | 10.3 in | |
| May | 80°F (27°C) | 7.4 in | Warmest |
| June | 80°F (27°C) | 4.9 in | |
| July | 79°F (26°C) | 4.4 in | Driest |
| August | 80°F (26°C) | 5.4 in | |
| September | 80°F (26°C) | 6.9 in | |
| October | 80°F (26°C) | 9.2 in | |
| November | 79°F (26°C) | 10.5 in | |
| December | 79°F (26°C) | 11.5 in |
Mersam has a seasonal temperature swing of 3°F / from 78°F in January to 80°F in May. Total annual precipitation is 102.5 inches, with January being the wettest month (12.2") and July the driest (4.4").