Planning for the weather is a good way to make your trip to Nara relaxing and enjoyable, especially when you’re splurging. The hottest months are usually August and July with an average temp of 77°F, while the coldest months are January and February with an average of 43°F. The rainiest months in Nara are July, June, September, and October, with each month seeing an average of 8 inches of rainfall.