Hainan is a year-round destination, but comfort and prices change with season. Most visitors prefer the drier, cooler months.
November to April is the most reliable for beach weather and outdoor plans, especially for visitors escaping colder climates.
Hotter and more humid, with higher rain and typhoon risk in some months. Still workable for resort stays if you watch forecasts.
Chinese public holidays raise prices and crowding in Sanya. Book early if your dates fall on peak weeks.
Yes for many visitors — sea temperatures stay milder than northern destinations, though personal comfort varies.