Kumara Junction, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kumara Junction, West Coast, New Zealand, is known for its proximity to the West Coast Wilderness Trail and the historic Kumara goldfields. The best time to travel to Kumara Junction, New Zealand, is during the summer months of December to February, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!