Taking the local weather in Sibu 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 May and August, with an average temperature of 27°C, while the coldest months are February and March, with an average of 26°C. The rainiest months in Sibu are December, January, November and October, with each month seeing an average of 340 mm of rainfall.