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Guam travel guide

Chamorro culture, warm lagoons and Pacific sunsets.

Guam is a US territory in the western Pacific and the largest island in Micronesia. Tumon Bay has hotels, shopping and calm lagoons, while the rest of the island has cliffs, waterfalls and World War II sites.

CapitalHagåtña
CurrencyUS dollar (USD)
LanguageEnglish, Chamorro, Spanish
Calling code+1671
Drives onright
Time zonePacific/Guam
Getting thereStayConnectDoEat and drinkMoney and safety

Travel tools

Getting there

Antonio B. Won Pat International Airport is the gateway, with frequent flights from Japan, South Korea, the Philippines and Honolulu.

Best time to visit: Dec–Jun – dry season with sunny days.

Tougher months: July to October – the wet season brings heavy downpours, high humidity and the peak risk of typhoons.

Weather by month in Hagåtña

Average daytime highs in °C; dots show how rainy the month is (one dot dry, three dots wet).

Time zone: Pacific/Guam. Compare with your local time.

Background: Visa policy of the United States (Wikipedia).

Source and more: Guam travel facts on RoamSun

Stay

Most trips to Guam are based around Tumon, Hagåtña or Two Lovers Point. Pick a base for your main interest, then add day trips rather than moving hotels every night.

Typical daily budget: about US$70–110 for a backpacker and US$160–280 mid-range, per person.

Source: RoamSun Guam page · Browse hotel guides

Connect

Plug types: A, B. Voltage: 110 V. Check your own devices on the plug and currency checker.

Calling code: +1671.

Mobile data: read the travel eSIM setup guide before you fly so the plan is installed and ready on landing.

Source: Advinne eSIM guide · RoamSun

Do

Things to do

Source: full Guam guide on RoamSun

Eat and drink

Source: RoamSun Guam guide

Money and safety

Currency: US dollar (USD). Currency and plug checker.

Tipping: 15–20% in restaurants.

Emergency numbers: 911 police, fire & ambulance.

Source: RoamSun Guam facts

Frequently asked questions

What is the best time to visit Guam?

Dec–Jun – dry season with sunny days. Hot and humid all year, with a rainy season from July to November.

What time zone is Guam in?

Guam uses Pacific/Guam.

What plug and voltage does Guam use?

Guam uses plug type A, B at 110 V. Check whether your devices are dual-voltage before you plug in.

What is the calling code for Guam?

The international calling code for Guam is +1671.

Do you tip in Guam?

15–20% in restaurants.

What is the emergency number in Guam?

911 police, fire & ambulance.

Which side of the road do they drive on in Guam?

Traffic drives on the right.