Planning for the weather is a good way to make your trip to Kitashiobara relaxing and enjoyable, especially when you’re splurging. The hottest months are usually August and July with an average temp of 70°F, while the coldest months are January and February with an average of 31°F. The rainiest months in Kitashiobara are July, December, August, and January, with each month seeing an average of 9 inches of rainfall.