Taking the local weather in Pulau Lembeh into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually October and May, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Pulau Lembeh are May, June, November and April, with each month seeing an average of 340 mm of rainfall.