Felixstowe, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Felixstowe is known for its historic Landguard Fort and the Port of Felixstowe, the largest container port in the United Kingdom. The best time to visit Felixstowe, United Kingdom, is from June to August, when the average air temperature is around 18°C (64°F) and the sea temperature is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!