First -20C of the season takes Canada one step closer to winter

A bitter chill descended on parts of the Arctic to end September

It may feel like summer across parts of Canada weekend, but things are cooling off in a hurry up north.

Canada just recorded its first -20°C reading of the season on Friday, an achievement that arrived just over a week after the country experienced the season's first -10°C temperature.

The bitter chill is a reminder to savour fall for as long as possible.

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Temperatures plunge in the Arctic

Alert, Nunavut, wins the prize for the first -20°C recorded in Canada this season.

Alert First -20C of the season

Sitting a little north of 82°N latitude at the northern tip of Ellesmere Island, Alert is the northernmost continuously inhabited place on Earth. It’s tough to get any closer to the North Pole without taking a swim in the Arctic Ocean.

The temperature at Alert dipped to a frigid -21°C on Friday, Sept. 27, with an even colder reading of -23.5°C early Saturday morning. A brisk northwesterly wind sent the wind chill dipping all the way down to -30.

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Northern Canada conditions Sunday afternoon

Such frigid temperatures aren’t long for the world—at least not yet, anyway. Readings across far Northern Canada will rebound to more seasonable levels by Sunday.

We’ll see temperatures rise to one degree above freezing on Sunday afternoon in Resolute, Nunavut, while folks over in Inuvik, N.W.T., will see a high of 2°C with a chance for snow.

We’re months from -20s throughout most of Canada

Low temperatures dipping into the -20s across the Far North is about right on schedule for this time of year.

Northern Canada typical first -20C temperature

Based on historical averages, most of Nunavut would typically see their first -20°C morning over the next couple of weeks.

But what about the rest of Canada? Temperatures are slowly falling across the country as the seasons change. But rest assured that you’re still likely a long way off from seeing your first -20°C of the season.

Canada typical first -20C temperature

We usually have to wait until December for the first reading in the -20s across much of the country. Frigid air masses descending on the Prairies typically send temperatures plummeting to -20°C in both Edmonton and Saskatoon around the first week of the month.

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You have to wait closer to Christmas to record the season’s first -20°C in Ottawa and Montreal. It usually takes a January cold snap to send temperatures plunging that low around Toronto, while it’s exceedingly rare to see such a cold temperature on the other side of the country in Vancouver.

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