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Apra Harbor, Guam
Santa Rita · Guam
Apra Harbor is a small town in Santa Rita, Guam with a population of 2,930. Elevation: 7 ft (2 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About Apra Harbor
Apra Harbor, also called Port Apra, is a deep-water port on the western side of the United States territory of Guam. It is considered one of the best natural ports in the Pacific Ocean. The harbor is bounded by Cabras Island and the Glass Breakwater to the north and the Orote Peninsula in the south. Naval Base Guam and the Port of Guam are the two major users of the harbor. It is also a popular recreation area for boaters, surfers, scuba divers, and other recreationalists.
People
Climate
| Population | 2,930 |
| Population Density | 90 / sq mi |
| Elevation | 7 ft (2 m) |
| Coordinates | 13.4283°, 144.6525° |
| Timezone | Pacific/Guam |
| Country | 🇬🇺 Guam |
| State / Province | Santa Rita |
| Average Temperature | 80°F (27°C) |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Annual Precipitation | 90.7 inches (2,304 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Apra Harbor
Apra Harbor is a small town in Guam (Santa Rita) with a population of 2,930. The city sits at an elevation of 7 feet (2 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 78°F in January to 81°F in July. Annual precipitation averages 90.7 inches. The timezone is Pacific/Guam.
Climate in Apra Harbor
Apra Harbor has an average annual temperature of 27.6°C (82°F). The hottest month is Jun (28.4°C), the coldest is Feb (26.8°C). Average annual precipitation is 2510 mm.
Temperature
| Annual Average | 80.0°F |
| 48% above Guam avg | |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 176 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 32.4 sq mi (84.0 km²) |
| Population Density | 90/sq mi |
| Coordinates | 13.4283°N, 144.6525°W |
| Timezone | Pacific/Guam |
Precipitation & Snow
Air Quality
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 | — | 52 km |
| 1909 | GUAM, MARIANA ISLANDS | Earthquake | — | — | 110 km |
Nearby Volcanoes
1 volcano within 200 km. Closest: NW Rota-1 (131 km).
| Name | Type | Elevation | Last Eruption | Distance |
| NW Rota-1 | Submarine | -517 m (-1,696 ft) | 2010 | 131 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 4.8 in | Coldest |
| February | 78°F (26°C) | 3.7 in | |
| March | 79°F (26°C) | 3.1 in | Driest |
| April | 80°F (27°C) | 3.2 in | |
| May | 81°F (27°C) | 4.8 in | |
| June | 81°F (27°C) | 6.4 in | Warmest |
| July | 81°F (27°C) | 9.6 in | |
| August | 80°F (27°C) | 15.0 in | Wettest |
| September | 81°F (27°C) | 12.4 in | |
| October | 81°F (27°C) | 12.1 in | |
| November | 80°F (27°C) | 9.1 in | |
| December | 79°F (26°C) | 6.6 in |
Apra Harbor has a seasonal temperature swing of 3°F / from 78°F in January to 81°F in June. Total annual precipitation is 90.7 inches, with August being the wettest month (15.0") and March the driest (3.1").
Museums in Apra Harbor
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Guam Museum | ||||
| Pacific War Museum | ||||
| T. Stell Newman Visitor Center |
Libraries in Apra Harbor
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Agat Public Library | 0.0 | |||||
| Dededo Public Library | 0.0 | |||||
| Guam Territorial Law Library | 0.0 | |||||
| Nieves M Flores Memorial Library | 0.0 | |||||
| Umatac Outdoor Library | 0.0 |
Farmers Markets in Apra Harbor
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Kimi Market 2 | |||||
| Young Pagat Market |
Hotels in Apra Harbor
1 hotels within city radius — OpenStreetMap data
Restaurants in Apra Harbor
2 restaurants within city radius — OpenStreetMap data
Cafes in Apra Harbor
1 cafes within city radius — OpenStreetMap data
Cinemas in Apra Harbor
1 cinemas within city radius — OpenStreetMap data
Gas Stations in Apra Harbor
3 gas stations within city radius — OpenStreetMap data
Gyms in Apra Harbor
2 gyms within city radius — OpenStreetMap data
Stadiums & Teams in Apra Harbor
| Team | League | Division |
|---|---|---|
Airports Near Apra Harbor
4 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Antonio B. Won Pat International Airport | GUM | Large Airport |
| Rota International Airport | ROP | Large Airport |
| Andersen Air Force Base | UAM | Medium Airport |
| Northwest Field | — | Small Airport |
Churches & Religious Organizations in Apra Harbor
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Naval Base Chapel |
Explore Near Apra Harbor
Quick Facts
🇬🇺 About Guam
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Get ReportFrequently Asked Questions About Apra Harbor
What is the population of Apra Harbor?
Apra Harbor has a population of 2,930 residents and is located in Guam. The population density is 90 people per square mile, spread across 32.4 square miles.
What is the weather like in Apra Harbor?
Apra Harbor has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 78°F in January, while summers reach an average of 81°F in July. The area receives 176 sunny days per year, below the national average of 205. Annual rainfall totals 90.7 inches.