The best time to dive in French Polynesia is from October to May although these islands are good for diving year round. Within these months, you can expect wet and rainy conditions, particularly from December to March. From November to April, it is summer in French Polynesia. However, the diving is at its best at this time due to an influx in plankton and calm surface conditions. Large marine life such as manta rays visit to feast on the tiny marine life. Water temperatures average 79 to 84°F (26 to 28°C). With waters this warm, you’ll probably only need to pack a 3mm wetsuit although some may be more comfortable in a 5mm. On the other hand, visibility in French Polynesia is best from June to September. On a good day, you might see seemingly endless visibility, which in reality reaches 200 feet (60 meters). But, during these months the water temperature is slightly cooler, and typhoons may threaten to ruin your holiday. Finally, surface conditions in French Polynesia can be slightly choppy from June to September, making the liveaboard journey less pleasant. However, these conditions rarely negatively affect the underwater experience.
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