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Climate · Montreal

Montreal in December

Cold and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Montreal is cold: highs near 34°F, lows near 19°F. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 46 minutes.December in Montreal is cold: highs near 1°C, lows near -7°C. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 46 minutes.

High
34°F1°Caverage
Low
19°F-7°Caverage
Wet days
3a week · 44% of days
Daylight
8h 46mon average

Is December a good time to visit Montreal?

December sits outside Montreal's best months, which run in two parts: June, or August to September. Expect cold days and rain or snow on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 34°F in December, against 27°F to 82°F through the year.Highs near 1°C in December, against -3°C to 28°C through the year.

Chance of a wet day

44% of days in December, against 34% to 45% through the year.

Cloud cover

66% cover in December, against 42% to 67% through the year.

Daylight

8h 46m in December, against 8h 46m to 15h 37m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November47°8°low 34°low 1°3 wet days a weekRain on about three days a week.
  2. December34°1°low 19°low -7°3 wet days a weekRain on about three days a week.
  3. January27°-3°low 10°low -12°3 wet days a weekRain on about three days a week.

Where Montreal sits, in December

America/Toronto
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:27 AMsets 4:12 PM
Above the sea
40 mlow-lying
Latitude
45.5°Nnorthern hemisphere
Nearest of ours
Mont-Tremblant104 km north-west

The land around Montreal, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in December

high · low · wet days
See December on the planning mapThe whole year in Montreal

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Montreal. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.