Guam

Welcome to Guam, a Tropical island in the North Pacific Ocean, part of the majestic Pacific Ocean. This guide offers a comprehensive overview of what makes Guam unique – from its geography and climate to its population, infrastructure, and beyond. Dive into the details:
- Geography and Size: Explore the island’s size and location.
- Climate and Weather: Weather patterns and temperature.
- Topography and Nature: Uncover the natural wonders of the island.
- Infrastructure and Travelling: Insights on reaching, staying, and making the most of your visit.
- News and Headlines: Latest News.
Geography and size of Guam
Size: 546.3 km²
Coastline: 194.8 km
Ocean: Pacific Ocean
Sea: North Pacific Ocean
Continent: Oceania
Guam is a Large Island spanning 546 km² with a coastline of 195 km.
Archipel: Micronesia – A region in the western Pacific Ocean comprising thousands of small islands, known for their unique cultures, languages, and marine ecosystems.
Tectonic Plate: Mariana – Located in the western Pacific Ocean, the Mariana Plate is a small oceanic tectonic plate. It is known for the Mariana Trench, the deepest oceanic trench in the world, formed by the subduction of the Pacific Plate under the Mariana Plate.
The geographic heart of the island is pinpointed at these coordinates:
Latitude: 13.44341953 / Longitude: 144.7776585
Climate and weather of Guam
Climate Zone: Tropical
Climate Details: Tropical Rainforest Climate
Temperature: Hot
Climate Characteristics: This climate is typified by heavy rainfall throughout the year, high humidity, and consistently high temperatures, leading to lush rainforests and rich biodiversity. Seasonal temperature variations are minimal.
Topography and nature of Guam
Timezone: UTC+10:00
Timezone places: Australia/Sydney
Max. Elevation: 334 m
Mean Elevation: 97 m
Vegetation: Agricultural Mosaic
Tree Coverage: 26%
The mean elevation is 97 m. The highest elevation on the island reaches approximately 334 meters above sea level. The island is characterized by Hills: Gently sloping landforms with rounded tops, having a maximum elevation between 200 and 500 meters. Hills contribute to a varied landscape on islands.
Dominating Vegetation: Agricultural Mosaic
A mix of cropland and natural vegetation, often seen in rural landscapes where agricultural fields are interspersed with patches of natural habitats. Guam has a tree cover of 26 %.
Vegetation: 13 vegetation zones – Exceptionally Diverse Island
Islands with more than ten vegetation zones are among the most ecologically rich and varied in the world. These islands are akin to miniature continents, boasting an incredible array of ecosystems. The sheer range of habitats, from high peaks to deep valleys, rainforests to deserts, creates a mosaic of life that is unparalleled. They are crucial for conservation and ecological studies.
Infrastructure and Travelling to Guam
Does the island have a public airport? yes.
Guam has a public and scheduled airport. The following airports are located on this island: Antonio B. Won Pat International Airport.
Does the island have a major port? yes.
Guam is home to a major port. The following ports are situated on the island: .
The mean population of Guam is 300 per km². Guam is Moderately Inhabited. The island belongs to United States of America.
Continuing your journey, Rota is the next notable island, situated merely km away.
United States of America is classified as Developed region: G7: Group of Seven – Major advanced economies, including Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. The level of income is High income: OECD.
News – Latest Updates and Headlines from Guam
Stay informed with the most recent news and important headlines from Guam. Here’s a roundup of the latest developments.
- Southern keeps Guam High winless on football field - stripes.comon 26 September 2026
Southern keeps Guam High winless on football field stripes.com
- Guam had a population of three million invasive brown snakes; then US dropped 2,000 mice stuffed with par - The Times of Indiaon 26 September 2026
Guam had a population of three million invasive brown snakes; then US dropped 2,000 mice stuffed with par The Times of India
- UOG names Mangloña inaugural Marianas science communications fellow - The Guam Daily Poston 26 September 2026
UOG names Mangloña inaugural Marianas science communications fellow The Guam Daily Post
- UN moves to preserve island nations’ statehood as Guam faces separate climate risks - The Guam Daily Poston 26 September 2026
UN moves to preserve island nations’ statehood as Guam faces separate climate risks The Guam Daily Post
- Guam seeks federal help for $11.7 billion impact of US military buildup on island - stripes.comon 25 September 2026
Guam seeks federal help for $11.7 billion impact of US military buildup on island stripes.com
- As the Pentagon expands across the Pacific, Guam offers a warning - grist.orgon 24 September 2026
As the Pentagon expands across the Pacific, Guam offers a warning grist.org
- Storm spares Guam, heads toward Japan - The Guam Daily Poston 24 September 2026
Storm spares Guam, heads toward Japan The Guam Daily Post
- Around 100 federal officials to hear Guam pitch for military buildup help - guampdn.comon 23 September 2026
Around 100 federal officials to hear Guam pitch for military buildup help guampdn.com
- U.S. Military Pesticide Contamination on Guam, Records Reveal - The War Horseon 22 September 2026
U.S. Military Pesticide Contamination on Guam, Records Reveal The War Horse
- Trump to overrule local leaders, lease millions of acres of America’s Pacific Island territories’ seafloors to mining companies - Planetizenon 21 September 2026
Trump to overrule local leaders, lease millions of acres of America’s Pacific Island territories’ seafloors to mining companies Planetizen
Please note: The data used here has been primarily extracted from satellite readings. Deviations from exact values may occur, particularly regarding the height of elevations and population density. Land area and coastline measurements refer to average values at mean high tide.
