It will stay below freezing until March 9th.
It bottoms-out for a week or two around New Year's at -8°C.
But for a lot of the winter our average High sits around -5°C.
Of course our temperatures don't actually spend much time right at our average High.
Most winters have a lot of mild~ish days, punctuated by the occasional. hopefully-brief deepfreeze. This is last year as an example.
Our average High is below-freezing from November 16th through March 9th. That's 114 days.
During that time on average we have 45 days (40%) with Highs that reach 0°C.
And that includes around 20 days (18%) which get to 5°C.
January is theoretically our coldest month, and even it averages 12 Highs which reach 0°C, including 4 which reach 5°C.
(January is theoretically our coldest month, but it has actually warmed up a lot in the past century.
And in the last 10 years its average Highs & Lows now sit above December & February.)
With a month-and-a-half left in the year, the warm~ish start to November has kept 2023's temperatures as the 3rd warmest on record.
But 2015's super El Niño autumn has closed most of that gap.
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