Guernsey → Guam
Do United Kingdom passport holders need a visa for Guam? eTA
United Kingdom passport holders need an approved electronic travel authorisation (eTA) before travelling to Guam, but no embassy visa.
An electronic travel authorisation must be approved online before departure. No embassy visit.
Guernsey does not issue its own passport; residents travel on a United Kingdom passport. See the United Kingdom passport .
Source: gov.uk (checked September 4, 2026).
Travelling the other way? United States passport holders visiting Guernsey : eTA.
Guam drives on the right, the opposite side to Guernsey. If you're renting a car, budget extra care at first, especially at junctions and roundabouts.
Frequently asked questions Do United Kingdom passport holders need a visa for Guam? United Kingdom passport holders need an approved electronic travel authorisation (eTA) before travelling to Guam, but no embassy visa.
How long can United Kingdom citizens stay in Guam without a visa? Up to 3 months, for tourism, ordinary passport.
What currency is used in Guam? United States dollar (USD).
What is the emergency number in Guam? 911.
Does Guam drive on the same side of the road as Guernsey? Guam drives on the right, the opposite side to Guernsey. If you're renting a car, budget extra care at first, especially at junctions and roundabouts.
What time zone is Guam in? Guam (UTC+10).
What is the nearest airport to Agana? Antonio B. Won Pat International Airport (GUM), about 5 km away.
How many countries can enter Guam without a visa? 85 of the 243 nationalities this site tracks can enter Guam visa-free, with a visa on arrival, or with an eTA.
Visa rules change frequently and can depend on your specific circumstances. This site is compiled from public government sources and is provided for general information only. Always confirm requirements with the official immigration authority or a consulate of your destination before you travel.
About Guernsey Guernsey is the second-largest island in the Channel Islands, located 27 miles (43 km) west of the Cotentin Peninsula, Normandy. It is the largest island in the Bailiwick of Guernsey, which includes five other inhabited islands – Alderney, Herm, Jethou, Brecqhou and Sark – and many small islets and rocks. The bailiwick has a population of 63,950, the vast majority of whom live on Guernsey, and the island has a land area of 24 square miles (62 km2).
Climate in Guernsey Warmest August, coolest March, driest May, sunniest May.
Monthly climate normals for Guernsey, 2020 Month High Low Rainfall Sunshine January 10.6°C 8.5°C 110mm 141h February 10.5°C 8.2°C 159mm 154h March 9.6°C 7.8°C 79mm 261h April 11.6°C 9.7°C 30mm 345h May 12.8°C 11.1°C 20mm 406h June 14.8°C 13.3°C 68mm 365h July 16.1°C 14.9°C 25mm 386h August 18°C 16.5°C 78mm 365h September 17.2°C 15.6°C 47mm 307h October 14.8°C 12.9°C 238mm 190h November 13.8°C 11.9°C 81mm 171h December 10.9°C 8.7°C 228mm 147h
Avg. high/low, °C (left axis) Rainfall, mm (bar maxes out at 250mm/month)
Daily normals for 2020. Hover a month for exact figures.
Travel guide The Bailiwick of Guernsey is a group of islands in the English Channel, part of the Channel Islands. Guernsey is the main island, some 50 miles west of the Cotentin Peninsula in France. It's about 6 miles long by 3 miles wide, with St Peter Port as its chief settlement, and in 2019 had a population of almost 63,000.
Upcoming public holidays Full source list on About .
About Guam Guam is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, and the most populous village is Dededo. It is the westernmost point and territory of the United States, reckoned from the geographic center of the U.S. In Oceania, Guam is the largest and southernmost of the Mariana Islands and the largest island in Micronesia. As of 2022, its population was 168,801. Chamorros are its largest ethnic group, but a minority on the multiethnic island. The territory spans 210 square miles and has a population density of 775 per square mile (299/km2).
Climate in Agana Warmest May, coolest February, driest March, sunniest May. Best time to visit: January, February, March, April, May, June, December.
Monthly climate normals for Agana, 2020 Month High Low Rainfall Sunshine January 28.5°C 24.3°C 98mm 326h February 28.5°C 24.2°C 134mm 299h March 29.7°C 24.4°C 38mm 346h April 30.2°C 24.9°C 66mm 356h May 30.7°C 25.5°C 115mm 362h June 30.7°C 25.4°C 120mm 356h July 30.3°C 25°C 253mm 340h August 30°C 24.8°C 426mm 302h September 30°C 24.7°C 580mm 276h October 29.5°C 24.6°C 520mm 260h November 29.8°C 25.1°C 211mm 301h December 29.3°C 25.3°C 150mm 317h
Avg. high/low, °C (left axis) Rainfall, mm (bar maxes out at 250mm/month)
Daily normals for 2020. Hover a month for exact figures.
Travel guide
Guam is an island in the western Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines. An unincorporated territory of the United States of America, Guam gets most of its visitors from East Asia, especially Japan.
Full source list on About .