Weather in Québec in January

Canada · 20-year averages, January

The month to avoid. January is the month most people should skip in Québec. Highs sit at -7.6 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

January ranks 10 of 12 — near the bottom of Québec's year. September is the month that works, and the swing between the two is 61 points, which is a different holiday rather than a slightly better one.

Rain on 12 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at -7.6 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 31 nights drop below freezing, so anything left outside stays frozen. Across the twenty years measured, the hottest January day reached 4 °C and the coldest night fell to -36.3 °C, and the wettest single day dropped 40 mm — roughly 61% of the month's rain in one day.

January is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest January on record still delivered 114 mm against 22 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 66 mm average is a reasonable planning figure, not a promise.

Wind is light at 5.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 97%, which at -7.6 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January sits at the dark end of Québec's year — 8.9 hours of daylight against 15.8 at midsummer, gaining 0.9 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

Québec has no sea to moderate it, and it shows: 41.3 °C separates the hottest afternoon of the year from the coldest night. That is a genuinely continental range, and it means summer and winter here are barely the same place.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Québec versus nearby

If Québec is one option among several, the nearby comparison is worth making. Sherbrooke is close enough to be a coin toss — within a degree on temperature, 3 days more rain. Saguenay is close enough to be a coin toss — 2.8 °C cooler, the same number of rain days.

So: January is a compromise. September is 56 points better and is what Québec is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Québec

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January-7.6-17.2 1266978.916
February-5.9-16.2 11649610.318
March-1.2-10.6 12729411.816
April7.4-1.5 14938613.531
May16.66 1695811561
June21.511.8 171138215.869
July24.115.3 191238415.565
August23.314.5 161088414.370
September19.610.2 141098412.672
October11.74 15119861144
November3.7-3 1490909.419
December-3.7-11.9 1495968.611

See all twelve months in Québec, or where else to go in January.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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