Typical January weather in Montreal, actually: the photo was taken of the frozen-over window in the front bedroom a couple of years ago, and we always get a few days like this.
But that's just the weather. It doesn't necessarily have anything to do with the climate, let along climate change. Climate is the general pattern of weather of a long period of time in a particular place. The short term ups and downs of weather are reflected in climate, but very cold weather and a snow storm are just part of the climate as it has existed for a long time in this place.
To have winter weather in January doesn't meant that climate isn't changing. What is more important is the pattern that shows up in average temperatures and the first dates of freezing and warm weather. It would appear that we're headed for shorter winters, but it's not like that today...
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