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Apotgan, Guam

Full City Profile

5,224 Population 497/sq mi density
23 ft Elevation 7 meters
80°F Avg Temperature 27°C
Apotgan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 81°F in July. The area gets 178 sunny days per year. Annual precipitation totals 88.9 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 81°F Jul (27°C)
Annual Average80.2°F
49% above US avg
January Average78°F (26°C)
July Average81°F (27°C)
Sunny Days178 days/yr

Geography

Elevation23 ft (7 m)
Area10.5 sq mi (27.2 km²)
Population Density497/sq mi
Coordinates13.4882°N, 144.7764°W
TimezonePacific/Guam

Precipitation & Snow

Annual Rainfall 88.9"
134% above US avg
Snowfall 0.0"
Wettest Month (Aug) 14.45"
Driest Month (Mar) 3.03"

Air Quality

Earthquake History

1,864 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.8. Most recent: M0.0 on Aug 21, 2025.

Aug 8, 1993 32 km S of Inarajan Village, Guam M7.8 56 km
Apr 26, 2002 20 km SSW of Merizo Village, Guam M7.1 48 km
Oct 12, 2001 69 km SSE of Inarajan Village, Guam M7.0 92 km
Apr 23, 1997 49 km N of Yigo Village, Guam M6.5 57 km
Feb 2, 2005 63 km NNW of Yigo Village, Guam M6.3 66 km
Feb 26, 2000 30 km NNW of Yigo Village, Guam M6.2 34 km
Aug 11, 1993 91 km ESE of Yigo Village, Guam M6.2 101 km
Dec 19, 1999 45 km SSW of Merizo Village, Guam M6.0 72 km
May 9, 1997 8 km SSE of Merizo Village, Guam M6.0 33 km
Aug 16, 1993 41 km SE of Inarajan Village, Guam M6.0 62 km
Feb 10, 1991 54 km NNW of Yigo Village, Guam M6.0 58 km
May 15, 1998 71 km N of Yigo Village, Guam M6.0 78 km
Aug 10, 2025 103 km ESE of Inarajan Village, Guam M5.9 111 km
Jun 29, 2000 29 km SSW of Merizo Village, Guam M5.9 57 km
Jun 23, 2020 91 km NE of Yigo Village, Guam M5.9 104 km
Jun 21, 2000 64 km N of Yigo Village, Guam M5.9 72 km
Aug 30, 1997 90 km WSW of San Jose Village, Northern Mariana Islands M5.8 134 km
Feb 12, 2002 50 km N of Yigo Village, Guam M5.8 56 km
May 28, 2025 63 km SSE of Inarajan Village, Guam M5.8 86 km
Jan 2, 1990 23 km W of Agat Village, Guam M5.8 38 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2023 Mawar Category 5 34 km
2023 Bolaven Category 3 127 km
2019 Wutip Category 5 271 km
2018 Yutu Category 5 201 km
2018 Maria Category 4 147 km
2018 Mangkhut Category 3 80 km
2015 In-fa Category 4 280 km
2015 Dolphin Category 4 49 km
2015 Soudelor Category 3 216 km
2015 Goni Category 2 190 km
2014 Vongfong Category 2 111 km
2013 Francisco Category 4 229 km
2009 Nida Category 5 282 km
2007 Kong-rey Category 1 286 km
2005 Nabi Category 2 286 km
2004 Chaba Category 5 129 km
2004 Nock-ten Category 2 247 km
2003 Kujira Category 4 286 km
2002 Pongsona Category 4 46 km
2002 Chataan Category 3 24 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 2.4 m (8 ft).

Year Location Cause Max Wave Deaths Distance
1993 GUAM, MARIANA ISLANDS Earthquake 2.4 m 56 km
1909 GUAM, MARIANA ISLANDS Earthquake 113 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: NW Rota-1 (124 km).

Name Type Elevation Last Eruption Distance
NW Rota-1 Submarine -517 m (-1,696 ft) 2010 124 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 4.5 in Coldest
February 78°F (26°C) 3.7 in
March 79°F (26°C) 3.0 in Driest
April 81°F (27°C) 3.2 in
May 81°F (27°C) 4.9 in
June 82°F (28°C) 6.1 in Warmest
July 81°F (27°C) 9.7 in
August 80°F (27°C) 14.5 in Wettest
September 81°F (27°C) 12.5 in
October 81°F (27°C) 11.9 in
November 81°F (27°C) 8.8 in
December 80°F (27°C) 6.1 in

Apotgan has a seasonal temperature swing of 3°F / from 78°F in January to 82°F in June. Total annual precipitation is 88.9 inches, with August being the wettest month (14.5") and March the driest (3.0").

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