What to pack for Montréal in December
- serious winter gear: insulated coat, thermal layers
- a compact umbrella or rain shell — rain is frequent
- waterproof boots — snow is likely
Humidity averages 75%; max daily wind around 20 km/h. Snow falls on about 6 days.
How December compares
Best months in Montréal: May–July & September. See the full best time to visit Montréal guide.
Montréal in December: the details
In December, Montréal sees average daytime highs of -1°C (31°F) and overnight lows of -7°C (19°F). Rainfall totals roughly 91 mm across 13 rainy days, and the sun shines about 4.1 hours per day with 8.5 hours of daylight mid-month. Relative humidity averages 75%.
In context: December is the 10th-warmest month and the 6th-wettest in Montréal. The sunniest month is July (11.8 h/day).
| Metric | December average |
|---|---|
| Daytime high | -1°C / 31°F |
| Overnight low | -7°C / 19°F |
| Rainfall | 91 mm over 13 rainy days |
| Sunshine | 4.1 h/day (8.5 h daylight) |
| Humidity | 75% |
| Travel score | 0.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Montréal, Canada (45.51, -73.59) — see our methodology. Actual conditions vary year to year.
Not set on Montréal? Browse the best places to visit in December ranked by travel score.
Frequently asked questions
How hot is Montréal in December?
Daytime highs in Montréal in December average -1°C (31°F); nights drop to about -7°C.
Does it rain in Montréal in December?
Expect around 13 rainy days and 91 mm of rainfall in December.
Is December a good time to visit Montréal?
December is a challenging month to visit Montréal — consider May–July & September instead. Overall travel score: 0.0/10. The best months are May–July & September.
Also good in December, near Montréal
Where should you go next month?
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