Canada
Montreal in December: weather & travel advice
This month's data profile
Rain shapes the decision
Montreal in December is climatically mixed. The average daily high is around -3 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
23/100 · #12
Warmth
#10
Dryness
#10
Sun
#12
Published best categories: none
Montreal · DecemberPhoto: Ken Lund from Reno, Nevada, USA · CC BY-SA 2.0Climate facts
- Average high
- -3 °C
- Average low
- -11 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 91 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 5 | -2 | 13 | 78 | 1.8 | 85 | 2.9 | 30 |
| December (selected) | -3 | -11 | 14 | 87 | 1.3 | 91 | 3.0 | 23 |
| January | -7 | -17 | 14 | 73 | 1.8 | 92 | 3.3 | 24 |
How do the previous and next months compare?
Baseline: December (23/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | +7 | +7.7 °C | +8.7 °C | -1.4 | -9.2 mm | +0.5 h | -5.7 % | ±0 m/s |
| January | +1 | -4.1 °C | -6.1 °C | -0.4 | -13.9 mm | +0.5 h | +1.2 % | +0.3 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Montreal in December?
The average daily high is around -3 °C, with an average daily low of about -11 °C.
Does it rain a lot in Montreal in December?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 87 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Montreal?
By the climate score, June, July, August and September are the strongest months for Montreal. December is not among them.