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Climate · Toronto

Toronto in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Toronto is chilly: highs near 40°F, lows near 28°F. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 59 minutes.December in Toronto is chilly: highs near 4°C, lows near -2°C. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 59 minutes.

High
40°F4°Caverage
Low
28°F-2°Caverage
Wet days
3a week · 41% of days
Daylight
8h 59mon average

Is December a good time to visit Toronto?

December sits outside Toronto's best months, which run from June to September. Expect chilly 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 40°F in December, against 34°F to 81°F through the year.Highs near 4°C in December, against 1°C to 27°C through the year.

Chance of a wet day

41% of days in December, against 29% to 41% through the year.

Cloud cover

66% cover in December, against 39% to 69% through the year.

Daylight

8h 59m in December, against 8h 59m to 15h 23m 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. November51°11°low 38°low 3°2 wet days a weekRain on about two days a week.
  2. December40°4°low 28°low -2°3 wet days a weekRain on about three days a week.
  3. January35°2°low 21°low -6°3 wet days a weekRain on about three days a week.

Where Toronto sits, in December

America/Toronto
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:44 AMsets 4:41 PM
Above the sea
90 mlow-lying
Latitude
43.7°Nnorthern hemisphere
Nearest of ours
Ottawa353 km north-east

The land around Toronto, 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 Toronto

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Toronto. 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.