Planning for the weather is a good way to make your trip to Timbulharjo relaxing and enjoyable, especially when you’re splurging. The hottest months are usually April and May, with an average temperature of 27°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Timbulharjo are December, January, February and November, with each month seeing an average of 361 mm of rainfall.