The best time to visit Foui, Tongatapu, Tonga is during the dry season, which runs from May to November.During these months, you'll experience consistently pleasant weather with lower humidity and less rainfall, making it ideal for exploring the island's natural beauty and enjoying outdoor activities. The temperatures are warm but comfortable, typically ranging from 23Β°C to 27Β°C, great for relaxing on the beaches or taking part in water sports.This period is particularly good for travellers looking to enjoy whale watching, as humpback whales migrate to Tonga's warm waters to breed and calve between July and October.