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Weather in Guam
American Pacific island of white sand and ancient Chamorro
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About Guam
Guam glows as America's Pacific island, blending Chamorro tradition with US culture, tropical beaches with shopping malls. Tumon Bay's waters warm year-round while WWII history permeates the landscape.
Best months to visit
February
Language
English, Chamorro
Things to do in Guam
Dive pristine coral reefs
Visit WWII battle sites
Learn Chamorro culture
Beach-hop around the island
Hike volcanic ridges
Snorkel Ritidian Beach
Weather by month
Click any month for detailed weather information and travel tips.
January
28C
Warm and pleasant, with regular rainfall.
Recommended
February
28C
Warm and pleasant, with some rainy days.
March
29C
Warm and pleasant, with regular rainfall.
April
29C
Warm and pleasant, with regular rainfall.
May
30C
Hot and humid, with frequent heavy rain.
June
30C
Hot and humid, with frequent heavy rain.
July
29C
Warm and pleasant, with frequent heavy rain.
August
29C
Warm and pleasant, with frequent heavy rain.
September
29C
Warm and pleasant, with frequent heavy rain.
October
29C
Warm and pleasant, with frequent heavy rain.
November
29C
Warm and pleasant, with frequent heavy rain.
December
29C
Warm and pleasant, with regular rainfall.
Guam blends a US territory's familiar comforts — shopping malls, American chain restaurants and direct flights from Asia — with a distinct Chamorro culture and a landscape shaped by both ancient latte stone ruins and the heavy history of WWII battlefields. Tumon Bay's resort strip is the main draw for many visitors, but the island's south offers quieter villages, waterfalls and some of the best vantage points over the Pacific.
Best areas to stay in Guam
Tumon Bay
The main resort strip, with a sandy beach, hotels, shopping malls and a lively nightlife scene.
Hagåtña
Guam's capital, with historical sites including the Plaza de España and Latte Stone Park.
Southern Guam
A quieter, more rural area with villages, waterfalls like Sigai and Tinaga Falls, and viewpoints over the coast.
Two Lovers Point
A clifftop viewpoint near Tumon with dramatic ocean views and a legend behind its name.
Getting to Guam
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Flights
Fly into Antonio B. Won Pat International Airport, typically via Tokyo, Seoul or Manila.
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From London
~22-28 hours from London including connections.
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Getting around
A hire car is the most practical way to explore beyond Tumon; taxis and hotel shuttles cover the resort area.
Frequently asked questions
What is the best time to visit Guam?
December to June (the dry season) offers the most reliable weather, while the wet season runs July to November with a higher typhoon risk.
What is Tumon Bay?
Guam's main tourist strip, with a curved beach, hotels, shopping and restaurants, popular with visitors from Japan, Korea and the US.
What are latte stones?
Ancient stone pillars topped with capstones, used as house foundations by the indigenous Chamorro people centuries before European contact, with examples visible around the island.
Do I need a visa to visit Guam?
Guam has its own visa waiver programme for many nationalities separate from the mainland US ESTA — check current requirements before travelling.
What language is spoken?
English and Chamorro are both official languages, with English used in almost all tourism contexts.
Traveler reviews
★★★★☆
Tumon Bay was busier and more developed than we expected, but the beach itself was lovely and great for an easy few days.
Aiko S. · March 2024
★★★★★
Drove down to the south of the island and the waterfalls and coastal views were a complete contrast to the resort strip — well worth the trip.
James L. · January 2023
★★★★☆
Latte Stone Park and the WWII sites gave us a much better sense of Guam's history than the shopping malls let on.
Grace P. · April 2024
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