Taking the local weather in Sentani 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 November, with an average temperature of 25°C, while the coldest months are February and October, with an average of 25°C. The rainiest months in Sentani are December, March, November and April, with each month seeing an average of 455 mm of rainfall.