Weather is probably a major factor when you plan your trip to Shimamaki-mura, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 65°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Shimamaki-mura are January, February, March, and December, with each month seeing an average of 30 inches of snowfall.