If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Inubosaki: The hottest months are usually August and July, with an average temperature of 24°C, while the coldest months are January and February, with an average of 9°C. The rainiest months in Inubosaki are October, September, June and July, with each month seeing an average of 222 mm of rainfall.