French Cay, Honduras offers 1 beach perfect for sunbathing, surfing, swimming, and more. French Cay is known for Little French Key, a private island resort offering pristine beaches and water activities. The best time to travel to French Cay, Honduras, is between February and April, when the average air temperature is around 82°F (28°C) and the water temperature is approximately 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!