Top 10 Coldest Cities In Japan

Source: http://www.japan.climatemps.com, Created on 8/26/2015
The Top Ten
1 Omu
2 Kitamiesashi
3 Kushiro

Been there during summer, very cool around mid 60s while the rest of Japan is humid in the 90s to 100s.

4 Nemuro
5 Mombetsu
6 Abashiri
7 Obihiro
8 Wakkanai
9 Asahikawa
10 Kutchan