Brunswick, United States offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Brunswick, Georgia, United States, is known for its historic downtown and proximity to the Golden Isles. The best time to travel to Brunswick, United States, is in the spring (March to May) when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!