The temperature bounces up and down throughout the year due to Chinook Winds.
From the record books:
On Jan. 10, 1962, Pincher Creek (south of us) saw temperatures rise 41 C as Chinook winds boosted the mercury from -19 C up to 22 C.
IN ONE HOUR.
When Leonardo DeCaprio was up here filming The Revenant, he was duped by some local yokels during a Chinook who told him it was global warming. Leonardo declared from a podium he hadn't experienced anything like it. If you didn't know any better and it went from freezing cold to "kind of warm", you wouldn't know what to think.