Sault Ste. Marie, Ontario the largest to have passed such a resolution and the first to do so despite its sizable Franco-Ontarian population. Sault Ste. Marie has a humid continental climate (Köppen climate classification "Dfb") with cold, snowy winters and warm summers that are moderated to some extent by Lake Superior. Winters are cold but are milder than some inland places. Temperatures drop below 24 days per year. Summers are warm with a July high of and temperatures above occur 4 days per year. The average annual precipitation is , which is fairly evenly distributed throughout the year; February is the driest month, and
Sault Ste. Marie, Michigan are cooler than nearby land areas. This tends to stabilize the atmosphere, suppressing precipitation (especially showers and thunderstorms) somewhat, in May, June and July. In autumn, the lakes are releasing their stored heat from the summer, making them warmer than the surrounding land, and increasingly frequent and strong polar and Arctic air outbreaks pick up warmth and moisture during their over-water passage, resulting in clouds and instability showers. In Sault Ste. Marie, this phenomenon peaks in September and October, making these the wettest months of the year. Also noteworthy is that in Sault Ste. Marie, the year's third wettest month,