Guam travel advice

Explore our complete guide to Guam with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Guam.

Guam travel guide - essential info

Below is a beginner's guide to Guam with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.

Guam - quick facts
Time difference UK +10 hours
Language(s) English
Currency US Dollar
Electricity A + B plug (110V)
Driving side Right
Visa✝ Yes

Why visit Guam?

Considering a holiday to the Guam? Here are some of the very good reasons it makes such a wonderful holiday destination such as for its beaches to ensure you get the most out of your 2025/2026 escape.

  • Beach babes - beaches
    Beaches

Guam tourist information

✝ = requirements for UK travellers.

Travelling to Guam?
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Guam weather

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
30°C maximum daytime temperature in January in Agana30
30°C maximum daytime temperature in February in Agana30
30°C maximum daytime temperature in March in Agana30
31°C maximum daytime temperature in April in Agana31
31°C maximum daytime temperature in May in Agana31
31°C maximum daytime temperature in June in Agana31
31°C maximum daytime temperature in July in Agana31
31°C maximum daytime temperature in August in Agana31
31°C maximum daytime temperature in September in Agana31
31°C maximum daytime temperature in October in Agana31
31°C maximum daytime temperature in November in Agana31
30°C maximum daytime temperature in December in Agana30
Hours of sunshine (daily)
Days with some rainfall
23 days with some rainfall in January in Agana23
19 days with some rainfall in February in Agana19
20 days with some rainfall in March in Agana20
19 days with some rainfall in April in Agana19
20 days with some rainfall in May in Agana20
17 days with some rainfall in June in Agana17
19 days with some rainfall in July in Agana19
20 days with some rainfall in August in Agana20
19 days with some rainfall in September in Agana19
22 days with some rainfall in October in Agana22
22 days with some rainfall in November in Agana22
23 days with some rainfall in December in Agana23
Sea temperature °C
28°C sea temperature in January in Agana28
27°C sea temperature in February in Agana27
27°C sea temperature in March in Agana27
28°C sea temperature in April in Agana28
28°C sea temperature in May in Agana28
29°C sea temperature in June in Agana29
29°C sea temperature in July in Agana29
29°C sea temperature in August in Agana29
29°C sea temperature in September in Agana29
29°C sea temperature in October in Agana29
29°C sea temperature in November in Agana29
28°C sea temperature in December in Agana28

The Guam weather guide shows long term monthly averages for Agana.

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Guam travel advice

Check the latest travel advice on visiting Guam from official government sources (in english) from around the world including entry requirements and travel restrictions.

Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Guam.

Note: UK FCDO - UK Foreign, Commonwealth & Development Office

FCDOFCDO travel advice

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Guam travel health

Find out more about staying safe when travelling to Guam with the latest guidance on required vaccinations and recommended medication to take with you.

Check out the general travel tips for staying safe and healthy in Guam, risks of preventable diseases and what to pack.

Note: CDC - Centers for Disease Control and Prevention

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Guam travel features

Do you want to learn more about Guam? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Guam.

We don't currently have any travel features on Guam. Discover more about holiday destinations around the world with this selection of general travel articles.

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Guam FAQs

Read our frequently asked questions about travelling to Guam including the current entry restrictions, covid rules, driving side, electrical plugs used and much more.

Are there entry restrictions to Guam?

Guam is open to fully vaccinated travellers only from the UK.

Proof of full Covid-19 vaccination required for arrivals from the UK.

Check out Guam Department of Public Health for more information.

What is the time difference between Guam and the UK?

The time difference between Guam and the UK is UK time+10 hours.

What is the main language spoken in Guam?

The main language spoken in Guam is English.

Learn a language for Guam with Rosetta Stone*, Busuu* and Rocket Languages*.

What is the currency in Guam?

The currency in Guam is the US Dollar (USD).

Which plugs are used in Guam?

Guam uses electrical plug type A + B (110 Volts).

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

They drive on the right side of the road in Guam.

Transport options for Guam

Do you need a visa for Guam?

Yes, UK passport holders do need a visa to enter Guam.

Check Guam visa requirements for all passport holders with VisaHQ*.

eSIMs for Guam

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