The best time to go to Pangai, Ha'apai, Tonga, is during the dry season, which runs from May to October.
This period offers consistently sunny days, lower humidity, and a refreshing breeze, making it ideal for enjoying the islands' natural beauty and outdoor activities. You'll find the ocean conditions are typically calmer, which is great for boating, snorkelling, and diving.
For those keen on marine wildlife, particularly whale watching, the peak season is from July to October. During these months, humpback whales migrate to Tonga's warm waters to calve and mate, offering an incredible opportunity to observe them. Many local operators offer ethical tours for swimming with these magnificent creatures.
Travellers looking to avoid the wet season's higher humidity and potential for tropical cyclones will appreciate the dry season's more predictable and pleasant weather.