The best time to visit Mala, Vava'u, Tonga, is during the dry season, which runs from May to October.During these months, you'll experience pleasant temperatures and minimal rainfall, making it ideal for outdoor activities like whale watching, snorkelling, and sailing. The seas are generally calmer, which is great for boat excursions and enjoying the pristine beaches. These months also coincide with the whale migration season, offering the best chance to see humpback whales.For those keen on whale watching, the peak season is typically from July to September. This period offers the highest likelihood of encounters with whales, as they gather in the warm waters of Vava'u to calve and mate.