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Siusega, Samoa

Tuamasaga · Samoa

Siusega is a small town in Tuamasaga, Samoa with a population of 2,226. Elevation: 299 ft (91 m). Average temperature: 80°F (27°C).

Data updated June 2026

2,226 Population 47/sq mi density
299 ft Elevation 91 meters
80°F Avg Temperature 27°C
92.0 in Annual Rain
Pacific / Apia Timezone

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Full City Profile

About Siusega

Siusega is a village in Samoa, on the island of Upolu. The village has a population of 2618.

People

Population2,226
Density47/mi²

Climate

Avg Temp80°F (27°C)
Rain92.0 in/yr
Sunny Days343/yr
Elevation299 ft (91 m)
Population2,226
Population Density47 / sq mi
Elevation299 ft (91 m)
Coordinates-13.8443°, -171.8140°
TimezonePacific/Apia
Country🇼🇸 Samoa
State / ProvinceTuamasaga
Average Temperature80°F (27°C)
January Average80°F (27°C)
July Average79°F (26°C)
Annual Precipitation92.0 inches (2,336 mm)
Annual Snowfall0.0 inches (0 cm)

About Siusega

Siusega is a small town in Samoa (Tuamasaga) with a population of 2,226. The city sits at an elevation of 299 feet (91 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 80°F in January to 79°F in July. Annual precipitation averages 92.0 inches. The timezone is Pacific/Apia.

Climate in Siusega

Siusega has an average annual temperature of 0°C (32°F). The hottest month is Jan (0°C), the coldest is Jan (0°C). Average annual precipitation is 2932 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0°C / 32°F — / — 410.2
Feb 0°C / 32°F — / — 427.3
Mar 0°C / 32°F — / — 297.0
Apr 0°C / 32°F — / — 194.0
May 0°C / 32°F — / — 187.3
Jun 0°C / 32°F — / — 135.6
Jul 0°C / 32°F — / — 165.9
Aug 0°C / 32°F — / — 123.9
Sep 0°C / 32°F — / — 154.7
Oct 0°C / 32°F — / — 199.2
Nov 0°C / 32°F — / — 265.5
Dec 0°C / 32°F — / — 371.2
Siusega 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 299 feet.

Temperature

80°F Jan (27°C) 79°F Jul (26°C)
Annual Average79.9°F
48% above Samoa avg
January Average80°F (27°C)
July Average79°F (26°C)
Sunny Days343 days/yr

Geography

Elevation299 ft (91 m)
Area47.8 sq mi (123.8 km²)
Population Density47/sq mi
Coordinates-13.8443°N, 171.8140°W
TimezonePacific/Apia

Precipitation & Snow

Annual Rainfall 92.0"
142% above Samoa avg
Snowfall 0.0"
Wettest Month (Jan) 21.06"
Driest Month (Jul) 6.38"

Air Quality

Earthquake History

40 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M0.0 on Sep 27, 2024.

Apr 6, 1990 133 km SSW of Lotofag?, Samoa M5.6 149 km
May 3, 1993 97 km SW of Gataivai, Samoa M5.4 144 km
Sep 29, 2009 124 km SSW of Lotofag?, Samoa M5.2 140 km
Sep 29, 2009 130 km SSW of Lotofag?, Samoa M5.1 146 km
Oct 28, 1994 110 km S of Matavai, Samoa M5.1 132 km
Apr 23, 2009 113 km SSW of Lotofag?, Samoa M5.0 130 km
Sep 17, 2024 93 km S of Matavai, Samoa M4.9 115 km
May 2, 2024 127 km S of Lotofagā, Samoa M4.9 144 km
Oct 3, 1995 26 km ENE of Samamea, Samoa M4.9 56 km
Apr 27, 2024 105 km S of Matavai, Samoa M4.9 125 km
Jul 22, 2016 72 km S of Matavai, Samoa M4.8 97 km
Sep 29, 2009 128 km SSW of Lotofag?, Samoa M4.8 145 km
Oct 4, 2009 131 km SSW of Lotofag?, Samoa M4.8 148 km
Jan 10, 1990 41 km NNW of Safotu, Samoa M4.8 117 km
May 10, 2014 111 km SSW of Matavai, Samoa M4.8 131 km
Jan 11, 2009 103 km SSW of Gataivai, Samoa M4.8 141 km
Mar 30, 2014 105 km SSW of Lotofag?, Samoa M4.7 122 km
Jan 30, 2024 96 km S of Gataivai, Samoa M4.7 116 km
May 9, 2024 8 km SE of Samamea, Samoa M4.7 40 km
Dec 11, 1999 128 km SSW of Lotofag?, Samoa M4.6 144 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 96 km
2005 Olaf Category 5 134 km
1998 Ron Category 4 277 km
1992 Val Category 4 40 km
1987 Tusi Category 2 218 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 81 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Upolu (14 km).

Name Type Elevation Last Eruption Distance
Upolu Shield 1,100 m (3,609 ft) Unknown 14 km
Savai'i Shield 1,858 m (6,096 ft) 1911 81 km
Tutuila Tuff cone(s) 653 m (2,142 ft) 440 130 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

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

Siusega 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").

View full weather details →

Schools in Siusega

5 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
Robert Louis Stevenson Primary School
Robert Louis Stevenson College
Fa'atuatua Christian College
Vaitele Uta Primary School
St Pauls Academy Primary School
View full schools details →

Museums in Siusega

NameTypeAddressPhoneAnnual Revenue
1927 Magiagi Hydro Scheme Building Ruins
Museum of Samoa
Museum of Samoa
Robert Louis Stevenson's Museum

Libraries in Siusega

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
Library & Cafeteria0.0
Medical Records0.0
Mulivai Primary School Library and Technology Center0.0
Nelson Memorial Public Library0.0
Public Library0.0
USP Library0.0

Farmers Markets in Siusega

NameAddressSeasonHoursOrganicWebsite
Accident Compensation Corporation Farmers Market
Ah Fook Vegetable Stand
Farmers Produce Market
Fugalei Fresh Produce Market
Laumua O Tumua Farmers Market
Produce Stand
Satui Fleamarket
Savalalo Fish Market
Vaitele Market
Vegetable Market

Hotels in Siusega

3 hotels within city radius — OpenStreetMap data

Dave Parker's Eco Lodge
Orator Hotel
Orator Hotel Samoa

Restaurants in Siusega

1 restaurants within city radius — OpenStreetMap data

Impact Golf Bar & Grill

Cafes in Siusega

1 cafes within city radius — OpenStreetMap data

Ten Below Shack

Gas Stations in Siusega

2 gas stations within city radius — OpenStreetMap data

Maota o Samoa Service Station
Ministry of Finance Petrol & Charging Station

Shopping Malls in Siusega

1 shopping malls within city radius — OpenStreetMap data

Farmer Joes Tanumapua

Gyms in Siusega

1 gyms within city radius — OpenStreetMap data

High Performance Unit

Golf Courses in Siusega

1 golf courses within city radius — OpenStreetMap data

Faleata Golf Course

Stadiums & Teams in Siusega

TeamLeagueDivision

Airports Near Siusega

3 airports within the area.

AirportIATAType
Faleolo International AirportAPWLarge Airport
Fagali'i AirportFGISmall Airport
Maota AirportMXSSmall Airport

Churches & Religious Organizations in Siusega

38 religious organizations (IRS tax-exempt data).

NameAddress
Aleisa East Church of Jesus Christ of Latter-day Saints
Aleisa East Congregational Christian Church
Faith City Church
Falelauniu Assembly of God Church
Falelauniu Congregational Christian Church
Falelauniu Methodist Church
Jehovah's Witness
Livingstone Evangelism Ministries
Nu'u Baptist Church
Nu'u Catholic Church
Nu'u Church
Nu'u Fou Congreational Christian Church
Nu'u Temple of Peace Ministry
Nu'u Voice of Christ Church
Nu'u-Fou Baptist Church and Pre-School
Nu'u-Fou Methodist Church
Our Lady of the Rosary
Samoa Unity Christian Church Ministries
Samoan Highland Hideaway
Siusega Church of Jesus Christ and the Latter-day Saints
Siusega Methodist Church
Tafaigata Assembly of God Church
Tafaigata Church
Tafaigata Methodist Church
Tanumapua Catholic Church
Tanumapua Congregational Christian Church
Tapatapao Catholic Church
Tuaefu Methodist Church
Vaitele Fou Assembly Of God Church
Vaitele Fou Methodist Church
Vaitele Fou Seventh Day Adventist Church
Vaitele Uta Assembly of God
Vaitele Uta Catholic Church
Vaitele Uta Church
Vaitele Uta Congregational Christian Church
Vaitele Uta Congregational Christian Church
Vaitele Uta Methodist Church
Vaitele-Fou Church of Jesus Christ and the Latter Day Saints

Explore Near Siusega

Waterfalls
1
Natural waterfalls documented by USGS and OpenStreetMap contributors
View all →

Quick Facts

Timezone
Pacific/Apia
Elevation
91 m (299 ft)

🇼🇸 About Samoa

Capital Apia
Population 196,130
Area 2,944 km²
GDP (USD) $1,044,909,500
GDP per capita $4,823
HDI 0.708
Life expectancy 71.7 years
Internet users 58.1%
Urban population 17.5%
Currency WST (Tala)
Languages English, Samoan
Calling code +685
TLD .ws
Driving side left

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Frequently Asked Questions About Siusega

What is the population of Siusega?

Siusega has a population of 2,226 residents and is located in Samoa. The population density is 47 people per square mile, spread across 47.8 square miles.

What is the weather like in Siusega?

Siusega has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 80°F in January, while summers reach an average of 79°F in July. The area receives 343 sunny days per year, well above the national average of 205. Annual rainfall totals 92.0 inches.

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