Bairiki, Kiribati offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bairiki, Gilbert Islands, Kiribati, is known for its proximity to the UNESCO World Heritage site of Phoenix Islands Protected Area. The best time to travel to Bairiki, Kiribati, is from May to October, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!