Monsoon Season is rain season starting from November until end of January or Early of February every years. Most resort and chalet will open on 1st February every year and other resort will official open end of February due of weather and sea condition. From March and April only shower rain during Night or Morning. The good timing to travel at Perhentian Island are recommended on April until October. Most of resort and chalet are prepare to closed on End of October every year due of Monsoon season. Sometime for weather forecast are not correct 100% .