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Essential Facts for Visiting guernsey
Health & Safety Tips for guernsey
Connectivity & Mobility in guernsey
Money & Daily Life in guernsey
Weather and Seasonal Guide for guernsey

Best time to visit
May to June and September to October
Late spring (May-June) offers pleasant, mild weather with blooming landscapes and fewer crowds before the peak summer season. Early autumn (September-October) provides similar mild conditions, often with warmer sea temperatures for swimming, and is ideal for coastal walks and enjoying local produce.
Avg temp(april)
9°C
Spring is in full swing with brighter, milder days. Ideal for walking, cycling, and exploring the island's natural beauty as flora and fauna awaken. Fewer crowds than summer.
Source: VisitGuernsey
Confidence: 0.95
Update Cycle: Every 12 months
Top Landmarks and Sites in guernsey





Castle Cornet
TYPE
Historic Castle, Museum
LOCATION
Castle Pier, St Peter Port, Guernsey GY1 1AU
TAGS
history, fortress, museum, views, family-friendly, heritage
DESCRIPTION
Standing proudly at the mouth of St Peter Port Harbour for over 800 years, Castle Cornet is a historic fortress that has defended Guernsey against invaders since the 13th century. It now houses five museums, including the Story of Castle Cornet, the Maritime Museum, and the 201 Squadron Museum, offering a deep dive into the island's military and seafaring past. Visitors can explore its battlements, discover hidden gardens, witness the firing of the noonday gun, and enjoy panoramic views of St Peter Port and the neighboring islands. The castle is a significant cultural landmark, providing an immersive experience into Guernsey's rich heritage.
Source: Guernsey Museums & Galleries (gov.gg)
Confidence: 0.98
Update Cycle: 6 months
Destination Summary
guernsey
Guernsey is a charming Channel Island offering dramatic coastal scenery, rich history, and a relaxed atmosphere. It's a self-governing British Crown Dependency with a unique blend of British and French influences.
CATEGORY
Channel Islands, Western Europe
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LANGUAGES
English
SPECIAL RULES
Common Travel Area (CTA) rules apply; non-UK/Irish citizens typically require a UK visa or upcoming UK Electronic Travel Authorisation (ETA). Traffic drives on the left.
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Average Flight Times from Grenada to Guernsey
St. George's (GND)
Maurice Bishop International Airport
Guernsey (GCI)
Guernsey Airport
Duration
15 hr 00 min
Flight Type
1 Stop
Airlines
Virgin Atlantic,
Aurigny
St. George's (GND)
Maurice Bishop International Airport
Guernsey (GCI)
Guernsey Airport
Duration
15 hr 30 min
Flight Type
1 Stop
Airlines
British Airways
St. George's (GND)
Maurice Bishop International Airport
Guernsey (GCI)
Guernsey Airport
Duration
20 hr 15 min
Flight Type
2 Stops
Airlines
American Airlines,
British Airways
St. George's (GND)
Maurice Bishop International Airport
Guernsey (GCI)
Guernsey Airport
Duration
19 hr 45 min
Flight Type
2 Stops
Airlines
JetBlue,
Virgin Atlantic,
Aurigny
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