Waitangi, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Waitangi is known for the Waitangi Treaty Grounds, where the Treaty of Waitangi was signed. The best time to travel to Waitangi, New Zealand, is during the summer months of December to February, when the average air temperature is around 22°C (72°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!