Planning for the weather is an important factor for making your trip to Salatiga a success, especially when you're splurging. The hottest months are usually September and October, with an average temperature of 25°C, while the coldest months are July and August, with an average of 24°C. The rainiest months in Salatiga are February, January, March and December, with each month seeing an average of 582 mm of rainfall.