Weather will likely play an important role when you plan your trip to Singkawang, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and April, 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 Singkawang are November, December, January and October, with each month seeing an average of 357 mm of rainfall.