▁in ▁ 1 9 2 4 ▁by ▁the ▁Ge ographical ▁Names ▁Board ▁of ▁Canada . ▁The ▁Board ▁changed ▁it ▁to ▁Mount ▁Wil co x ▁in ▁ 1 9 2 8 , ▁until ▁ultimately ▁rever ting ▁to ▁Wil co x ▁Pe ak ▁in ▁ 1 9 5 6 . ▁ ▁Cl imate ▁ ▁Based ▁on ▁the ▁Kö ppen ▁climate ▁classification , ▁Wil co x ▁Pe ak ▁is ▁located ▁in ▁a ▁sub ar ctic ▁climate ▁with ▁cold , ▁snow y ▁winter s , ▁and ▁m ild ▁sum mers . ▁Tem per atures ▁can ▁drop ▁below ▁- 2 0   ° C ▁with ▁wind ▁ch ill ▁factors ▁below ▁- 3 0   ° C . ▁In ▁terms ▁of ▁favor able ▁weather , ▁June ▁through ▁September ▁are ▁the ▁best ▁months ▁to ▁clim b . ▁P reci p itation ▁run off ▁from ▁the ▁peak ▁flows ▁into ▁the ▁Sun w apt a ▁River ▁which ▁in ▁turn ▁is ▁a ▁trib ut ary ▁of ▁the ▁Ath ab as ca ▁River . ▁ ▁Gallery ▁ ▁See ▁also ▁ ▁Mountains ▁of ▁Al berta ▁ ▁Geography ▁of ▁Al berta ▁ ▁References ▁ ▁External ▁links ▁ ▁Park s ▁Canada ▁web ▁site : ▁Jas per ▁National ▁Park ▁ ▁Mount ▁Wil co x ▁weather : ▁Mountain ▁Fore cast ▁ ▁Wil co x ▁Wil co x ▁Wil co x <0x0A> </s> ▁The ▁Nord ic ▁race ▁is ▁one ▁of ▁the ▁put ative ▁sub - ra ces ▁into ▁which ▁some ▁late - 1 9 th ▁to ▁mid - 2 0 th ▁century ▁anth rop olog ists ▁have ▁divided ▁the ▁C