Planning for the weather is a good way to make your trip to Kartosuro relaxing and enjoyable, especially when you’re splurging. The hottest months are usually October and September, with an average temperature of 25°C, while the coldest months are August and September, with an average of 25°C. The rainiest months in Kartosuro are February, March, November and January, with each month seeing an average of 451 mm of rainfall.