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Weather & Climate in Tanugamanono, Samoa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tanugamanono has a warm climate with an average annual temperature of 80°F (27°C). Winters average 80°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 343 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 92.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 217 feet.
Temperature
80°F Jan (27°C)
79°F Jul (26°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 343 days/yr |
Geography
| Elevation | 217 ft (66 m) |
| Area | 47.8 sq mi (123.8 km²) |
| Population Density | 17/sq mi |
| Coordinates | -13.8510°N, 171.7592°W |
| Timezone | Pacific/Apia |
Precipitation & Snow
Air Quality
Earthquake History
38 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Apr 6, 1990 | 133 km SSW of Lotofag?, Samoa | M5.6 | 150 km | 33 km |
| May 3, 1993 | 97 km SW of Gataivai, Samoa | M5.4 | 149 km | 23 km |
| Sep 29, 2009 | 124 km SSW of Lotofag?, Samoa | M5.2 | 143 km | 10 km |
| Oct 28, 1994 | 110 km S of Matavai, Samoa | M5.1 | 131 km | 33 km |
| Sep 29, 2009 | 130 km SSW of Lotofag?, Samoa | M5.1 | 147 km | 10 km |
| Apr 23, 2009 | 113 km SSW of Lotofag?, Samoa | M5.0 | 132 km | 40 km |
| Sep 17, 2024 | 93 km S of Matavai, Samoa | M4.9 | 114 km | 10 km |
| May 2, 2024 | 127 km S of Lotofagā, Samoa | M4.9 | 144 km | 10 km |
| Apr 27, 2024 | 105 km S of Matavai, Samoa | M4.9 | 125 km | 10 km |
| Oct 3, 1995 | 26 km ENE of Samamea, Samoa | M4.9 | 50 km | 38 km |
| Sep 29, 2009 | 128 km SSW of Lotofag?, Samoa | M4.8 | 145 km | 10 km |
| Oct 4, 2009 | 131 km SSW of Lotofag?, Samoa | M4.8 | 149 km | 10 km |
| Jul 22, 2016 | 72 km S of Matavai, Samoa | M4.8 | 95 km | 10 km |
| Jan 10, 1990 | 41 km NNW of Safotu, Samoa | M4.8 | 122 km | 33 km |
| May 10, 2014 | 111 km SSW of Matavai, Samoa | M4.8 | 130 km | 26 km |
| Jan 11, 2009 | 103 km SSW of Gataivai, Samoa | M4.8 | 146 km | 60 km |
| May 9, 2024 | 8 km SE of Samamea, Samoa | M4.7 | 34 km | 10 km |
| Mar 30, 2014 | 105 km SSW of Lotofag?, Samoa | M4.7 | 123 km | 33 km |
| Jan 30, 2024 | 96 km S of Gataivai, Samoa | M4.7 | 119 km | 10 km |
| Dec 11, 1999 | 128 km SSW of Lotofag?, Samoa | M4.6 | 146 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2016 | Amos | Category 2 | 92 mph | 100 km |
| 2005 | Olaf | Category 5 | 132 mph | 132 km |
| 1998 | Ron | Category 4 | 115 mph | 279 km |
| 1992 | Val | Category 4 | 104 mph | 39 km |
| 1987 | Tusi | Category 3 | 92 mph | 212 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1907 | MATAVANU VOLCANO | Astronomical | 3.6 m | — | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Upolu (10 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Upolu | Shield | 1,100 m (3,609 ft) | Unknown | 10 km |
| Savai'i | Shield | 1,858 m (6,096 ft) | 1911 | 87 km |
| Tutuila | Tuff cone(s) | 653 m (2,142 ft) | 440 | 125 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 21.1 in | Warmest, Wettest |
| February | 77°F (25°C) | 16.8 in | |
| March | 77°F (25°C) | 14.9 in | |
| April | 76°F (25°C) | 11.5 in | |
| May | 75°F (24°C) | 10.0 in | |
| June | 75°F (24°C) | 6.7 in | |
| July | 79°F (26°C) | 6.4 in | Driest |
| August | 74°F (23°C) | 7.2 in | Coldest |
| September | 74°F (24°C) | 7.9 in | |
| October | 75°F (24°C) | 13.2 in | |
| November | 76°F (24°C) | 14.3 in | |
| December | 76°F (25°C) | 17.9 in |
Tanugamanono has a seasonal temperature swing of 6°F / from 74°F in August to 80°F in January. Total annual precipitation is 147.7 inches, with January being the wettest month (21.1") and July the driest (6.4").