Weather will likely play an important role when you plan your trip to Magelang, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and September with an average temp of 74°F, while the coldest months are July and August with an average of 72°F. The rainiest months in Magelang are January, February, March, and December, with each month seeing an average of 25 inches of rainfall.