Weather is probably a major factor when you plan your trip to Ponorogo, but bear 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 temperature of 26°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Ponorogo are February, March, January and December, with each month seeing an average of 447 mm of rainfall.