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Sili, Samoa

Full City Profile

868 Population 1,021/sq mi density
115 ft Elevation 35 meters
76°F Avg Temperature 24°C
Sili has a warm climate with an average annual temperature of 76°F (24°C). Winters average 77°F in January while summers reach 74°F in July. The area gets 112 sunny days per year. Annual precipitation totals 138.4 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 74°F Jul (24°C)
Annual Average76.0°F
41% above US avg
January Average77°F (25°C)
July Average74°F (24°C)
Sunny Days112 days/yr

Geography

Elevation115 ft (35 m)
Area0.9 sq mi (2.2 km²)
Population Density1,021/sq mi
Coordinates-13.7560°N, 172.3773°W
TimezonePacific/Apia

Precipitation & Snow

Annual Rainfall 138.4"
264% above US avg
Snowfall 0.0"
Wettest Month (Jan) 20.00"
Driest Month (Jul) 5.98"

Air Quality

Earthquake History

70 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.8. Most recent: M0.0 on May 6, 2025.

Jun 2, 2018 141 km SSW of Gataivai, Samoa M5.8 144 km
Jul 12, 2022 141 km SSW of Gataivai, Samoa M5.7 144 km
Sep 3, 2014 141 km SSW of Gataivai, Samoa M5.7 144 km
Aug 15, 2017 137 km SW of Gataivai, Samoa M5.7 141 km
May 3, 1993 97 km SW of Gataivai, Samoa M5.4 100 km
Sep 29, 2009 124 km SSW of Lotofag?, Samoa M5.2 133 km
Nov 4, 2017 145 km NE of Hihifo, Tonga M5.1 150 km
Jan 18, 2018 146 km SSW of Gataivai, Samoa M5.1 149 km
Aug 3, 1990 146 km SW of Gataivai, Samoa M5.1 149 km
Apr 23, 2009 113 km SSW of Lotofag?, Samoa M5.0 128 km
Sep 15, 2015 139 km SSW of Gataivai, Samoa M5.0 143 km
Feb 6, 2016 135 km SSW of Gataivai, Samoa M5.0 138 km
Sep 17, 2024 93 km S of Matavai, Samoa M4.9 141 km
Oct 3, 1995 26 km ENE of Samamea, Samoa M4.9 117 km
Apr 27, 2024 105 km S of Matavai, Samoa M4.9 148 km
Jul 22, 2016 72 km S of Matavai, Samoa M4.8 133 km
Sep 29, 2009 Samoa Islands region M4.8 141 km
Jul 12, 2022 141 km SSW of Gataivai, Samoa M4.8 144 km
Jun 16, 2014 144 km NNE of Hihifo, Tonga M4.8 148 km
Jun 30, 1996 137 km SSW of Gataivai, Samoa M4.8 141 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2016 Amos Category 2 62 km
2005 Olaf Category 5 163 km
1998 Ron Category 4 261 km
1992 Val Category 4 14 km
1987 Tusi Category 2 275 km
Source: NOAA IBTrACS (Cat 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 23 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Savai'i (23 km).

Name Type Elevation Last Eruption Distance
Savai'i Shield 1,858 m (6,096 ft) 1911 23 km
Upolu Shield 1,100 m (3,609 ft) Unknown 74 km
Tutuila Tuff cone(s) 653 m (2,142 ft) 440 191 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 20.0 in Wettest
February 77°F (25°C) 14.7 in Warmest
March 77°F (25°C) 13.8 in
April 77°F (25°C) 11.3 in
May 76°F (24°C) 9.8 in
June 75°F (24°C) 6.9 in
July 74°F (24°C) 6.0 in Coldest, Driest
August 74°F (24°C) 7.1 in
September 75°F (24°C) 7.7 in
October 76°F (24°C) 12.8 in
November 76°F (25°C) 11.4 in
December 77°F (25°C) 17.0 in

Sili has a seasonal temperature swing of 3°F / from 74°F in July to 77°F in February. Total annual precipitation is 138.4 inches, with January being the wettest month (20.0") and July the driest (6.0").

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