Best Beaches in United States in December These are the best beaches in United States in December, based on average sunshine, sea temperature, rainfall and temperature. December is not one of the dry months – in fact statistically it’s one of the three wettest months and one of the hottest at 33C – though it comes at the end of the rainy period so by Christmas holidays the rain should be irregular and bearable. Therefore, all eyes go towards all the spectacular beaches, cities, and mountains that form an irresistible list of best places to visit in December in the world. 46 Best Places To Visit In December In The World In 2020. Since the tide isn’t strong enough for surfing, it’s particularly ideal for swimmers and snorkelers, and it’s also conveniently located—just a mile or so from Duval Street in Old Town, one of the liveliest areas in Key West. Though many factors can come into play when choosing your beach destination, the beach weather will often be a deciding factor. Though many factors can come into play when choosing your beach destination, the beach weather will often be a deciding factor. Despite borrowing one of its best assets from international beaches, the spot is especially popular among spring breakers, sunbathers, and those in search of an exceptional sunset. While the rest of the world is buried beneath sheets of snow and ice, many of the best beach vacations can be found blanketed in nothing but sunshine and warm breezes. This is the best season for both east and west coast beaches except for Ko Samui which has a micro-climate that differs slightly from the rest of the east Thailand. Best Beaches in the World in December These are the best beaches in the world in December, based on average sunshine, sea temperature, rainfall and temperature.