Mahia Beach, New Zealand offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Mahia Beach is known for Rocket Lab's Launch Complex 1, a popular site for space enthusiasts. The best time to travel to Mahia Beach, 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!