English Channel, Guernsey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Guernsey, known for Castle Cornet and the Little Chapel. The best time to travel to Guernsey in the English Channel is from June to September, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
