Planning for the weather is an important factor for making your trip to Probolinggo a success, especially when you're splurging. The hottest months are usually October and November, with an average temperature of 27°C, while the coldest months are August and July, with an average of 26°C. The rainiest months in Probolinggo are January, February, December and March, with each month seeing an average of 339 mm of rainfall.