Weather in Montreal in December
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for December in Montreal.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youMontreal in December is very cold — daytime temperatures average -0.1°C, dropping to -6.7°C at night. The month is fairly wet (12 rainy days on average), with roughly 4.0 hours of sunshine a day. For the complete picture, see the best time to visit Montreal — every month compared. Once you know when to go, find your Montreal packing list at 247PackingList.
Get ready for Montreal in December
Search flights to Montreal
Compare 100+ airlines for December — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Montreal in December
- Warm winter coat
- Thermal underlayers
- Gloves, hat and scarf
- Waterproof boots
- Light waterproof layer
Compare all months in Montreal
| Month | High | Rain | Rating |
|---|---|---|---|
| January | -5.7°C | 79.3mm | 6/10 |
| February | -4.2°C | 80.7mm | 6/10 |
| March | 2.7°C | 88.3mm | 8/10 |
| April | 10.4°C | 110.3mm | 9/10 |
| May | 18.3°C | 56.6mm | 10/10 |
| June | 23.3°C | 110.5mm | 9/10 |
| July | 25.2°C | 115.8mm | 9/10 |
| August | 24.1°C | 137.4mm | 9/10 |
| September | 19.7°C | 85.9mm | 10/10 |
| October | 13.6°C | 117.9mm | 9/10 |
| November | 5.6°C | 73.0mm | 10/10 |
| December | -0.1°C | 95.9mm | 6/10 |
Full month-by-month guide: best time to visit Montreal →
For facts about Canada — currency, language and dialling code — see our Canada country guide at 247CountryInfo. Travellers also find it useful to keep a Montreal travel guide to hand. Check clothing sizes in Canada before you shop.
Frequently Asked Questions
Is December a good time to visit Montreal?
December rates 6/10 for visiting Montreal — okay — some trade-offs. Expect average highs of -0.1°C, 95.9mm of rain across the month and about 4.0 hours of daily sunshine.
What is the temperature in Montreal in December?
In December, Montreal has average highs of -0.1°C (31.8°F) and average lows of -6.7°C (19.9°F).
Does it rain in Montreal in December?
Some rain is likely. Montreal averages 95.9mm across about 12 rainy days in December, so a light waterproof layer is worth packing.
What should I wear in Montreal in December?
For Montreal in December (-0.1°C highs / -6.7°C lows), pack warm winter coat plus thermal underlayers, gloves, hat and scarf, waterproof boots.
More essentials for Montreal in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.