▁F uk ush ima ▁Pref ect ure ▁in ▁the ▁T ō h oku ▁region ▁of ▁Japan . ▁The ▁Ad at ara ▁Mountains ▁are ▁to ▁the ▁north , ▁Lake ▁In aw ash iro ▁is ▁to ▁the ▁west , ▁and ▁the ▁Ab uk uma ▁high lands ▁are ▁to ▁the ▁east . ▁The ▁Ab uk uma ▁River ▁flows ▁through ▁dow nt own ▁K ō ri y ama . ▁The ▁dow nt own ▁area ▁extends ▁to ▁the ▁west ▁of ▁K ō ri y ama ▁Station . ▁ ▁Ne igh bor ing ▁municipal ities ▁ ▁Su k ag awa ▁A iz u - W ak am ats u ▁N ih on m ats u ▁Tam ura ▁Mot omi ya ▁Ot ama ▁Ten - ei ▁Hir ata ▁Mih aru ▁O no ▁In aw ash iro ▁ ▁Dem ograph ics ▁Per ▁Japanese ▁census ▁data , ▁the ▁population ▁of ▁K ō ri y ama ▁has ▁increased ▁over ▁the ▁past ▁ 6 0 ▁years . ▁ ▁Cl imate ▁K ō ri y ama ▁has ▁a ▁hum id ▁contin ental ▁climate ▁( K ö ppen ▁C fa ) ▁character ized ▁by ▁m ild ▁sum mers ▁and ▁cold ▁winter s ▁with ▁heavy ▁snow fall . ▁ ▁The ▁average ▁annual ▁temperature ▁in ▁K ō ri y ama ▁ ▁is ▁ 1 1 . 9   ° C . ▁The ▁average ▁annual ▁ra inf all ▁is ▁ 1 2 1 6   mm ▁with ▁September ▁as ▁the ▁wet test ▁month . ▁The ▁temper atures ▁are ▁highest ▁on ▁average ▁in ▁August , ▁at ▁around ▁ 2 5