Planning for the weather is an important factor for making your trip to Pulau Perhentian Kecil a success, especially when you're splurging. The hottest months are usually May and June, with an average temperature of 28°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Pulau Perhentian Kecil are December, November, January and October, with each month seeing an average of 479 mm of rainfall.