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Weather & Climate in Amahai, Indonesia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Amahai has a warm climate with an average annual temperature of 78°F (26°C). Winters average 79°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 149 sunny days per year, below the national average of 205. Annual precipitation totals 108.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
79°F Jan (26°C)
75°F Jul (24°C)
| Annual Average | 77.9°F |
| 44% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 149 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 115.3 sq mi (298.6 km²) |
| Population Density | 413/sq mi |
| Coordinates | -3.3398°N, 128.9198°W |
| Timezone | Asia/Jayapura |
Precipitation & Snow
Air Quality
Earthquake History
1,201 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Mar 19, 2001 | 41 km SSW of Ambon, Indonesia | M6.5 | 126 km | 33 km |
| Feb 19, 1998 | 126 km S of Amahai, Indonesia | M6.5 | 128 km | 33 km |
| Sep 25, 2019 | 33 km NE of Ambon, Indonesia | M6.5 | 62 km | 12 km |
| Oct 8, 2012 | 127 km S of Amahai, Indonesia | M6.1 | 128 km | 10 km |
| Oct 31, 2017 | 48 km W of Ambon, Indonesia | M6.1 | 137 km | 6 km |
| Dec 30, 1996 | 33 km SSW of Ambon, Indonesia | M6.0 | 116 km | 33 km |
| Jun 16, 2021 | 71 km ESE of Amahai, Indonesia | M5.9 | 71 km | 7 km |
| Jan 13, 1998 | 86 km SSE of Amahai, Indonesia | M5.9 | 87 km | 44 km |
| Mar 17, 2025 | 142 km ENE of Masohi, Indonesia | M5.8 | 149 km | 18 km |
| Jan 3, 1993 | 103 km SE of Amahai, Indonesia | M5.8 | 104 km | 54 km |
| Jun 23, 1992 | 33 km SSE of Amahai, Indonesia | M5.8 | 34 km | 75 km |
| Mar 19, 2001 | 50 km SW of Ambon, Indonesia | M5.8 | 140 km | 33 km |
| Oct 31, 2017 | 53 km WSW of Ambon, Indonesia | M5.8 | 144 km | 4 km |
| Oct 31, 2017 | 48 km WSW of Ambon, Indonesia | M5.7 | 138 km | 16 km |
| Nov 27, 2012 | 54 km NE of Amahai, Indonesia | M5.7 | 54 km | 11 km |
| Dec 12, 1999 | 89 km N of Ambon, Indonesia | M5.7 | 99 km | 33 km |
| Apr 21, 2009 | 128 km SE of Amahai, Indonesia | M5.7 | 129 km | 30 km |
| Oct 31, 2017 | 57 km W of Ambon, Indonesia | M5.6 | 147 km | 8 km |
| Aug 2, 2005 | 74 km S of Amahai, Indonesia | M5.6 | 75 km | 10 km |
| Apr 20, 2009 | 128 km SE of Amahai, Indonesia | M5.6 | 129 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 100.0 m (328 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1674 | BANDA SEA | Eruption + Earthquake | 100.0 m | 2,330 | 138 km |
| 1899 | BANDA SEA | Eruption + Earthquake | 12.0 m | 2,460 | 60 km |
| 1983 | BANDA SEA | Earthquake | 3.0 m | — | 136 km |
| 2021 | BANDA SEA | Eruption + Earthquake | 1.5 m | — | 71 km |
| 1711 | BANDA SEA | Earthquake | 1.2 m | 2 | 74 km |
| 1950 | BANDA SEA | Earthquake | — | 1 | 86 km |
| 1892 | SERAM ISLAND | Earthquake | — | — | 135 km |
| 1891 | BANDA SEA | Unknown | — | — | 74 km |
| 1775 | AMBON ISLAND | Earthquake | — | — | 89 km |
| 1754 | BANDA SEA | Earthquake | — | 4 | 50 km |
| 1708 | BANDA SEA | Earthquake | — | — | 94 km |
| 1674 | BANDA SEA | Earthquake | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Banda Api (169 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Banda Api | Caldera | 596 m (1,955 ft) | 1988 | 169 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 6.1 in | |
| February | 79°F (26°C) | 7.2 in | |
| March | 79°F (26°C) | 7.7 in | |
| April | 78°F (26°C) | 9.1 in | |
| May | 78°F (26°C) | 13.4 in | |
| June | 77°F (25°C) | 14.4 in | |
| July | 75°F (24°C) | 16.2 in | Coldest, Wettest |
| August | 76°F (24°C) | 12.5 in | |
| September | 77°F (25°C) | 8.2 in | |
| October | 79°F (26°C) | 5.1 in | |
| November | 80°F (26°C) | 3.8 in | Warmest, Driest |
| December | 79°F (26°C) | 5.3 in |
Amahai has a seasonal temperature swing of 4°F / from 75°F in July to 80°F in November. Total annual precipitation is 108.9 inches, with July being the wettest month (16.2") and November the driest (3.8").