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Weather & Climate in Ainaro, Timor Leste
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ainaro enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 68°F in January while summers reach 63°F in July / relatively mild seasonal variation. The area gets 186 sunny days per year. Annual precipitation totals 88.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,690 feet.
Temperature
68°F Jan (20°C)
63°F Jul (17°C)
| Annual Average | 66.4°F |
| 23% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 186 days/yr |
Geography
| Elevation | 2,690 ft (820 m) |
| Area | 12.0 sq mi (31.0 km²) |
| Population Density | 1,003/sq mi |
| Coordinates | -8.9924°N, 125.5082°W |
| Timezone | Asia/Dili |
Precipitation & Snow
Air Quality
Earthquake History
494 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 | 80 km | 11 km |
| Jul 4, 1991 | 81 km NW of Maubara, Timor Leste | M6.9 | 135 km | 29 km |
| Dec 5, 1995 | 25 km WNW of Atambua, Indonesia | M6.4 | 92 km | 33 km |
| Apr 19, 2008 | 79 km N of Metinaro, Timor Leste | M6.1 | 133 km | 13 km |
| Apr 19, 2008 | 72 km N of Metinaro, Timor Leste | M6.0 | 127 km | 10 km |
| Mar 20, 2005 | 84 km NNW of Maubara, Timor Leste | M5.8 | 139 km | 28 km |
| Jun 15, 2015 | 47 km S of Suai, Timor Leste | M5.8 | 88 km | 20 km |
| Jul 4, 1991 | 76 km NW of Maubara, Timor Leste | M5.7 | 130 km | 29 km |
| Feb 11, 1992 | 16 km SSW of Atambua, Indonesia | M5.7 | 80 km | 27 km |
| Jan 28, 2009 | 38 km NW of Pante Makasar, Timor Leste | M5.7 | 149 km | 66 km |
| Mar 3, 2016 | 50 km S of Suai, Timor Leste | M5.6 | 88 km | 30 km |
| Apr 20, 2008 | 75 km N of Metinaro, Timor Leste | M5.6 | 129 km | 4 km |
| Feb 10, 2014 | 87 km WNW of Maubara, Timor Leste | M5.5 | 139 km | 19 km |
| May 20, 1994 | 67 km NW of Maubara, Timor Leste | M5.5 | 121 km | 33 km |
| Apr 2, 2020 | 65 km N of Metinaro, Timor Leste | M5.5 | 120 km | 16 km |
| May 20, 1994 | 67 km NW of Maubara, Timor Leste | M5.5 | 121 km | 25 km |
| Mar 3, 2016 | 13 km SW of Suai, Timor Leste | M5.4 | 58 km | 20 km |
| Jan 2, 2004 | 29 km NNW of Dili, Timor Leste | M5.4 | 77 km | 34 km |
| Apr 19, 2008 | 73 km N of Metinaro, Timor Leste | M5.4 | 126 km | 10 km |
| Oct 22, 1998 | 61 km N of Dili, Timor Leste | M5.4 | 110 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 | 79 km |
| 2004 | KEPULAUAN ALOR | Earthquake | 2.0 m | 34 | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sirung (161 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sirung | Complex | 862 m (2,828 ft) | 2015 | 161 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 13.9 in | |
| February | 68°F (20°C) | 14.9 in | Wettest |
| March | 68°F (20°C) | 11.6 in | |
| April | 67°F (20°C) | 9.1 in | |
| May | 65°F (19°C) | 5.5 in | |
| June | 64°F (18°C) | 3.3 in | |
| July | 63°F (17°C) | 2.6 in | Coldest |
| August | 63°F (17°C) | 0.8 in | Driest |
| September | 65°F (18°C) | 0.8 in | |
| October | 68°F (20°C) | 2.6 in | |
| November | 70°F (21°C) | 8.4 in | Warmest |
| December | 69°F (21°C) | 14.8 in |
Ainaro has a seasonal temperature swing of 7°F / from 63°F in July to 70°F in November. Total annual precipitation is 88.3 inches, with February being the wettest month (14.9") and August the driest (0.8").