Visiting local bars in Itami is more fun when the weather is good. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually August and July, with an average temperature of 25°C, while the coldest months are January and February, with an average of 7°C. The rainiest months in Itami are July, September, June and August, with each month seeing an average of 214 mm of rainfall.