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Asan, Guam
Asan · Guam
Asan is a small town in Asan, Guam with a population of 860. Elevation: 16 ft (5 m). Average temperature: 80°F (27°C).
Data updated June 2026
Discover Asan, Guam
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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People
Climate
| Population | 860 |
| Population Density | 905 / sq mi |
| Elevation | 16 ft (5 m) |
| Coordinates | 13.4717°, 144.7158° |
| Timezone | Pacific/Guam |
| Country | 🇬🇺 Guam |
| State / Province | Asan |
| Average Temperature | 80°F (27°C) |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Annual Precipitation | 88.9 inches (2,257 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Asan
Asan is a small town in Guam (Asan) with a population of 860. The city sits at an elevation of 16 feet (5 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 88.9 inches. The timezone is Pacific/Guam.
Climate in Asan
Asan 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 | 80.2°F |
| 49% above Guam avg | |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 178 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 905/sq mi |
| Coordinates | 13.4717°N, 144.7158°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 | — | 55 km |
| 1909 | GUAM, MARIANA ISLANDS | Earthquake | — | — | 112 km |
Nearby Volcanoes
1 volcano within 200 km. Closest: NW Rota-1 (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| NW Rota-1 | Submarine | -517 m (-1,696 ft) | 2010 | 126 km |
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 |
Asan 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").
Museums in Asan
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Guam Museum | ||||
| Pacific War Museum | ||||
| T. Stell Newman Visitor Center |
Libraries in Asan
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Agat Public Library | 0.0 | |||||
| Dededo Public Library | 0.0 | |||||
| Guam Territorial Law Library | 0.0 | |||||
| Library | 0.0 | |||||
| Nieves M Flores Memorial Library | 0.0 | |||||
| Umatac Outdoor Library | 0.0 |
Farmers Markets in Asan
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Kimi Market 2 | |||||
| Young Pagat Market |
Monuments in Asan
2 monuments within city radius — OpenStreetMap data
Stadiums & Teams in Asan
| Team | League | Division |
|---|---|---|
Airports Near Asan
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 |
Quick Facts
🇬🇺 About Guam
Frequently Asked Questions About Asan
What is the population of Asan?
Asan has a population of 860 residents and is located in Guam. The population density is 905 people per square mile, spread across 1.0 square miles.
What is the weather like in Asan?
Asan 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 178 sunny days per year, below the national average of 205. Annual rainfall totals 88.9 inches.