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Weather & Climate in Aissirimou, Timor Leste
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aissirimou has a warm climate with an average annual temperature of 82°F (28°C). Winters average 84°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 357 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 18.2 inches (drier than the 38-inch national average). The city sits at an elevation of 3,051 feet.
Temperature
84°F Jan (29°C)
81°F Jul (27°C)
| Annual Average | 82.0°F |
| 52% above US avg | |
| January Average | 84°F (29°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 357 days/yr |
Geography
| Elevation | 3,051 ft (930 m) |
| Area | 11.5 sq mi (29.8 km²) |
| Population Density | 190/sq mi |
| Coordinates | -8.7261°N, 125.5715°W |
| Timezone | Asia/Dili |
Precipitation & Snow
Air Quality
Earthquake History
474 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| May 14, 1995 | 27 km NNW of Maubara, Timor Leste | M6.9 | 62 km | 11 km |
| Jul 4, 1991 | 81 km NW of Maubara, Timor Leste | M6.9 | 120 km | 29 km |
| Dec 5, 1995 | 25 km WNW of Atambua, Indonesia | M6.4 | 105 km | 33 km |
| Apr 19, 2008 | 79 km N of Metinaro, Timor Leste | M6.1 | 102 km | 13 km |
| Apr 19, 2008 | 72 km N of Metinaro, Timor Leste | M6.0 | 96 km | 10 km |
| Mar 20, 2005 | 84 km NNW of Maubara, Timor Leste | M5.8 | 120 km | 28 km |
| Jun 15, 2015 | 47 km S of Suai, Timor Leste | M5.8 | 118 km | 20 km |
| Jul 4, 1991 | 76 km NW of Maubara, Timor Leste | M5.7 | 117 km | 29 km |
| Feb 11, 1992 | 16 km SSW of Atambua, Indonesia | M5.7 | 100 km | 27 km |
| Apr 20, 2008 | 75 km N of Metinaro, Timor Leste | M5.6 | 98 km | 4 km |
| Mar 17, 2006 | 127 km NNW of Likisá, Timor Leste | M5.6 | 150 km | 384 km |
| Mar 3, 2016 | 50 km S of Suai, Timor Leste | M5.6 | 119 km | 30 km |
| Feb 10, 2014 | 87 km WNW of Maubara, Timor Leste | M5.5 | 128 km | 19 km |
| Apr 2, 2020 | 65 km N of Metinaro, Timor Leste | M5.5 | 89 km | 16 km |
| May 20, 1994 | 67 km NW of Maubara, Timor Leste | M5.5 | 105 km | 33 km |
| May 20, 1994 | 67 km NW of Maubara, Timor Leste | M5.5 | 107 km | 25 km |
| Jan 2, 2004 | 29 km NNW of Dili, Timor Leste | M5.4 | 48 km | 34 km |
| Mar 3, 2016 | 13 km SW of Suai, Timor Leste | M5.4 | 87 km | 20 km |
| Apr 19, 2008 | 73 km N of Metinaro, Timor Leste | M5.4 | 96 km | 10 km |
| Oct 22, 1998 | 61 km N of Dili, Timor Leste | M5.4 | 80 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1995 | TIMOR SEA | Eruption + Earthquake | 4.0 m | 11 | 65 km |
| 2004 | KEPULAUAN ALOR | Earthquake | 2.0 m | 34 | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sirung (160 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sirung | Complex | 862 m (2,828 ft) | 2015 | 160 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 84°F (29°C) | 12.9 in | Warmest |
| February | 70°F (21°C) | 14.4 in | Wettest |
| March | 71°F (21°C) | 10.2 in | |
| April | 70°F (21°C) | 8.5 in | |
| May | 69°F (20°C) | 4.7 in | |
| June | 67°F (19°C) | 2.7 in | |
| July | 81°F (27°C) | 2.3 in | |
| August | 67°F (19°C) | 0.7 in | Coldest |
| September | 68°F (20°C) | 0.6 in | Driest |
| October | 70°F (21°C) | 2.3 in | |
| November | 72°F (22°C) | 8.1 in | |
| December | 72°F (22°C) | 13.9 in |
Aissirimou has a seasonal temperature swing of 17°F / from 67°F in August to 84°F in January. Total annual precipitation is 81.3 inches, with February being the wettest month (14.4") and September the driest (0.6").