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Montreal in December: Weather, Average temperature and Climate

Discover the weather for Montreal in December and if it’s a good time to travel (based on historical data).
Check flight prices to Montreal on Avionero:
December

Weather in Montreal in December 2024

OK Weather
Cold
🌨️
Snowy
December could be a good time to visit Montreal, as the weather is generally fine. The average high temperature is around -1°C, and there are typically 3 sunny days in December. However, expect about 15 snowy days, and total monthly rainfall of approximately 56 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Montreal;

Average weather

☀️
-1°C
Avg. max. temperature
-31°C
Min.
+17°C
Max.
37 mm
Total precipitation
75%
Avg. humidity
4 m/s
Avg. wind
3 ☀️
Sunny Days
11 ⛅️
Cloudy
3 🌦
Rainy
Our opinion: Montreal has OK weather in December.

Average temperature in Montreal in December

Here are the expected maximum, average and minimum temperatures in Montreal for December based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in December is +2°C with a maximum of +8°C and a minimum of -11°C.

The average maximum temperature goes down 53% by the end of the month, compared with the beginning of the month, from +8°C to -2°C.

Is Montreal warm or cold in December?

Montreal is typically cold in December.

Maximum temperatures go down compared to the previous month from +6°C to -1°C. The minimum temperature also goes down from 0°C to -8°C.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

December is one of the coolest months in Montreal, here is the comparison with other months:

Climate in Montreal in December

Montreal weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+6°C-1°C-4°C
Min. temperature
-20°C-31°C-34°C
Max. temperature
+23°C+17°C+13°C
Rainfall
78 mm37 mm18 mm
Wind
4 m/s4 m/s4 m/s
Humidity
74%75%72%
Air pressure
1016 HPa1016 HPa1015 HPa
Sunny days
333
Cloudy days
101111
Rainy days
1032
Snowy days
71515

December weather is still as ok as in November. It’s getting colder in December. From +6°C in the day, the average maximum temperature lowers to -1°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 78 mm to 37 mm. Humidity rises from 74% to 75%. The average wind speed doesn’t change much during December, staying around 4 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Montreal in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Montreal is gradually increasing during December, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Montreal based on historical data.
Last Year
Historical Data
Total precipitation in December is about 266 mm, with a 35% chance of rain on a typical day. The maximum amount of rainfall per day is around 169 mm, which is considered heavy rain. December is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Montreal wettest month is October, where a typical day has a 52% chance of precipitation and 113 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 17 mm of rainfall per day.

Snow

Amount of snow in mm during December in Montreal based on historical data.
Last Year
Historical Data
The total snow in December is about 52 mm, with a 16% chance of snow on a typical day.

December is one of the snowiest months in Montreal.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Montreal?

This is the weather in Montreal in December 2023:
1 December
☁️
+8°C
2 December
🌫️
+5°C
3 December
☁️
+1°C
4 December
🌨️
0°C
5 December
🌨️
-3°C
6 December
🌨️
-6°C
7 December
🌨️
-8°C
8 December
☁️
-4°C
9 December
☁️
+1°C
10 December
🌧️
+7°C
11 December
🌫️
+5°C
12 December
☁️
+4°C
13 December
☁️
+3°C
14 December
☀️
0°C
15 December
☀️
+8°C
16 December
☀️
+7°C
17 December
☁️
+7°C
18 December
🌫️
+8°C
19 December
🌧️
+6°C
20 December
☁️
-1°C
21 December
☀️
-1°C
22 December
☀️
-5°C
23 December
☁️
-1°C
24 December
☁️
+2°C
25 December
☁️
+6°C
26 December
☁️
+7°C
27 December
☁️
+5°C
28 December
☁️
+3°C
29 December
🌫️
+3°C
30 December
☁️
+1°C
31 December
🌨️
-2°C
In December 2023 Montreal had 5 sunny days, 15 cloudy days, and 2 rainy days. The average maximum temperature was +2°C, with an absolute maximum of +8°C and a minimum of -8°C. The average humidity was 85%, with a maximum of 100% and a minimum of 49%. The average wind speed was 4 m/s, with a maximum of 15 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Montreal climate have been changing during last 43 years period.

The climate in Montreal in December has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+10°C) and the highest in 2021 (+14°C). The driest year was 1985 with only 524 mm of rainfall, and the wettest year was 2023 with 2843 mm.

FAQ

Frequently asked questions about the weather in Montreal in December:

Is December a good time to visit Montreal?

It’s always a good time to visit Montreal, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Montreal in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Is Montreal rainy in December?

Montreal is usually dry in December. Plan your packing around outdoor activities and exploring.

Is it sunny in Montreal in December?

Usually, it’s not very sunny in Montreal in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Montreal

Source of the data

For this page, we’ve looked at the typical weather in Montreal, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.