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Vailoatai, American Samoa

Full City Profile

1,144 Population 2,335/sq mi density
23 ft Elevation 7 meters
81°F Avg Temperature 27°C
Vailoatai has a warm climate with an average annual temperature of 81°F (27°C). Winters average 81°F in January while summers reach 81°F in July. The area gets 332 sunny days per year. Annual precipitation totals 114.4 inches. The area receives 0.0 inches of snow annually.

Temperature

81°F Jan (27°C) 81°F Jul (27°C)
Annual Average81.0°F
50% above US avg
January Average81°F (27°C)
July Average81°F (27°C)
Sunny Days332 days/yr

Geography

Elevation23 ft (7 m)
Area0.5 sq mi (1.3 km²)
Population Density2,335/sq mi
Coordinates-14.3534°N, 170.7808°W
TimezonePacific/Pago_Pago

Precipitation & Snow

Annual Rainfall 114.4"
201% above US avg
Snowfall 0.0"
Wettest Month (Jan) 16.81"
Driest Month (Jun) 6.54"

Air Quality

Earthquake History

321 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.1. Most recent: M0.0 on Sep 27, 2024.

Oct 28, 1994 110 km S of Matavai, Samoa M5.1 126 km
Jul 26, 1999 138 km S of Matavai, Samoa M5.1 141 km
Apr 27, 2024 105 km S of Matavai, Samoa M4.9 131 km
Sep 17, 2024 93 km S of Matavai, Samoa M4.9 120 km
Oct 3, 1995 26 km ENE of Samamea, Samoa M4.9 78 km
May 10, 2014 111 km SSW of Matavai, Samoa M4.8 139 km
Jul 22, 2016 72 km S of Matavai, Samoa M4.8 96 km
Jan 20, 1995 13 km W of Ofu, American Samoa M4.7 107 km
May 5, 2005 143 km S of Matavai, Samoa M4.7 149 km
May 9, 2024 8 km SE of Samamea, Samoa M4.7 85 km
Apr 26, 2024 97 km S of Matavai, Samoa M4.6 117 km
Jun 24, 2004 86 km S of Vailoatai, American Samoa M4.6 88 km
Sep 27, 2024 39 km NNE of Lufilufi, Samoa M4.6 111 km
Mar 22, 2023 140 km S of Matavai, Samoa M4.5 141 km
Sep 5, 2022 21 km NNE of Ta M4.5 146 km
Apr 15, 2016 117 km S of Matavai, Samoa M4.5 133 km
Mar 24, 2005 110 km SSW of Matavai, Samoa M4.4 145 km
Jan 13, 1995 66 km N of Ofu, American Samoa M4.4 150 km
Nov 6, 1995 106 km SSW of Vailoatai, American Samoa M4.3 108 km
May 2, 2024 96 km S of Matavai, Samoa M4.2 124 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

4 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2016 Amos Category 1 217 km
2005 Olaf Category 5 127 km
1992 Val Category 4 14 km
1987 Tusi Category 3 128 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Tutuila (11 km).

Name Type Elevation Last Eruption Distance
Tutuila Tuff cone(s) 653 m (2,142 ft) 440 11 km
Upolu Shield 1,100 m (3,609 ft) Unknown 111 km
Ofu-Olosega Shield(s) 639 m (2,096 ft) 1866 127 km
Ta'u Shield 931 m (3,054 ft) Unknown 144 km
Vailulu'u Submarine -592 m (-1,942 ft) 2003 186 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 81°F (27°C) 16.8 in Wettest
February 81°F (27°C) 13.9 in
March 81°F (27°C) 14.0 in Warmest
April 81°F (27°C) 10.5 in
May 80°F (27°C) 9.5 in
June 80°F (27°C) 6.5 in Driest
July 81°F (27°C) 7.4 in
August 79°F (26°C) 7.1 in Coldest
September 80°F (26°C) 7.7 in
October 80°F (27°C) 12.3 in
November 80°F (27°C) 10.2 in
December 81°F (27°C) 15.9 in

Vailoatai has a seasonal temperature swing of 3°F / from 79°F in August to 81°F in March. Total annual precipitation is 131.8 inches, with January being the wettest month (16.8") and June the driest (6.5").

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