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Weather & Climate in Samatau, Samoa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Samatau 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 33 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 | 33 ft (10 m) |
| Area | 35.3 sq mi (91.5 km²) |
| Population Density | 27/sq mi |
| Coordinates | -13.8996°N, 172.0571°W |
| Timezone | Pacific/Apia |
Precipitation & Snow
Air Quality
Earthquake History
74 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Jun 2, 2018 | 141 km SSW of Gataivai, Samoa | M5.8 | 148 km | 10 km |
| Apr 6, 1990 | 133 km SSW of Lotofag?, Samoa | M5.6 | 140 km | 33 km |
| May 3, 1993 | 97 km SW of Gataivai, Samoa | M5.4 | 118 km | 23 km |
| Jun 26, 2009 | 140 km SSW of Lotofag?, Samoa | M5.2 | 146 km | 48 km |
| Sep 29, 2009 | 124 km SSW of Lotofag?, Samoa | M5.2 | 124 km | 10 km |
| Jan 18, 2018 | 146 km SSW of Gataivai, Samoa | M5.1 | 148 km | 10 km |
| Sep 29, 2009 | 130 km SSW of Lotofag?, Samoa | M5.1 | 136 km | 10 km |
| Oct 28, 1994 | 110 km S of Matavai, Samoa | M5.1 | 130 km | 33 km |
| Aug 25, 2009 | 134 km SSW of Lotofag?, Samoa | M5.1 | 139 km | 10 km |
| Apr 23, 2009 | 113 km SSW of Lotofag?, Samoa | M5.0 | 115 km | 40 km |
| Feb 6, 2016 | 135 km SSW of Gataivai, Samoa | M5.0 | 143 km | 13 km |
| Sep 15, 2015 | 139 km SSW of Gataivai, Samoa | M5.0 | 143 km | 24 km |
| Apr 27, 2024 | 105 km S of Matavai, Samoa | M4.9 | 122 km | 10 km |
| May 2, 2024 | 127 km S of Lotofagā, Samoa | M4.9 | 135 km | 10 km |
| Oct 3, 1995 | 26 km ENE of Samamea, Samoa | M4.9 | 82 km | 38 km |
| Sep 17, 2024 | 93 km S of Matavai, Samoa | M4.9 | 113 km | 10 km |
| Jan 5, 1999 | 140 km SSW of Lotofag?, Samoa | M4.9 | 146 km | 33 km |
| Oct 18, 2009 | 134 km SSW of Matavai, Samoa | M4.9 | 146 km | 12 km |
| Jan 11, 2009 | 103 km SSW of Gataivai, Samoa | M4.8 | 117 km | 60 km |
| Jul 12, 2022 | 141 km SSW of Gataivai, Samoa | M4.8 | 141 km | 10 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 | 86 km |
| 2005 | Olaf | Category 5 | 132 mph | 154 km |
| 1998 | Ron | Category 4 | 132 mph | 279 km |
| 1992 | Val | Category 4 | 104 mph | 34 km |
| 1987 | Tusi | Category 2 | 92 mph | 245 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 | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Upolu (37 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Upolu | Shield | 1,100 m (3,609 ft) | Unknown | 37 km |
| Savai'i | Shield | 1,858 m (6,096 ft) | 1911 | 60 km |
| Tutuila | Tuff cone(s) | 653 m (2,142 ft) | 440 | 153 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 17.7 in | Wettest |
| February | 80°F (27°C) | 13.2 in | Warmest |
| March | 80°F (27°C) | 14.3 in | |
| April | 80°F (26°C) | 11.0 in | |
| May | 79°F (26°C) | 8.3 in | |
| June | 78°F (26°C) | 6.4 in | |
| July | 79°F (26°C) | 6.3 in | Driest |
| August | 77°F (25°C) | 7.2 in | Coldest |
| September | 78°F (25°C) | 8.2 in | |
| October | 79°F (26°C) | 12.8 in | |
| November | 79°F (26°C) | 10.0 in | |
| December | 80°F (26°C) | 15.4 in |
Samatau has a seasonal temperature swing of 3°F / from 77°F in August to 80°F in February. Total annual precipitation is 130.9 inches, with January being the wettest month (17.7") and July the driest (6.3").