CLIMATE NOTES · December
43.71°N 79.40°W · America/Toronto
CLIMATE NOTES · December
Toronto · 🇨🇦 Canada

Toronto Weather in December: Climate, Temperature & Travel Tips

Avg -0.5°C · 66mm rain — December is winter in Toronto.

AT A GLANCE
Avg High
-3° Avg Low
66 Rain mm
Winter Season
December climate normals
Avg high
2.3 °C
Avg low
-3.3 °C
Avg
-0.5 °C
Precipitation
66 mm
ANNUAL CLIMATE
Toronto · Annual Climate 0 -15°35° °C 04385 mm JFMAMJJASOND TEMP RANGE · AVG · RAINFALL

Source: Open-Meteo Archive 2014–2023 · 10-year climate normals

Climate Overview

December in Toronto, Canada brings winter conditions: average temperature -0.5°C, average high 2.3°C, average low -3.3°C. Monthly rainfall averages 66mm, making it a moderate-rainfall time of year.

Pack winter clothing to stay comfortable during outdoor excursions.

What to Pack

  • Heavy winter coat, thermal layers, gloves, hat
  • Insulated waterproof boots
  • A light rain jacket as backup

Best Things to Do

  • Indoor museums, markets, and cafes
  • Hot springs or indoor thermal facilities
  • Evening illuminations and festivals (if any)

Pros and Cons of Visiting in December

Pros:

  • A unique seasonal character that locals enjoy

Cons:

  • Cold conditions require winter gear

Climate source: Open-Meteo Archive (2014–2023).

PACKING ESSENTIALS
01 Heavy winter coat Down or synthetic insulation rated below −10 °C
02 Thermal base layers Merino wool or moisture-wicking fleece
03 Insulated boots Waterproof, rated for snow and ice
04 Knit hat & gloves Cover extremities; wind chill bites hard
05 Lip balm & hand cream Cold air strips moisture quickly
YEAR AT A GLANCE
J
F
M
A
M
J
J
A
S
O
N
D

Colour = avg temperature · blue = cool · orange = warm

HOTTEST MONTHS
  1. 1 July 22.8°C
  2. 2 August 21.8°C
  3. 3 June 19.8°C
COOLEST MONTHS
  1. 1 January -3.4°C
  2. 2 February -3.2°C
  3. 3 December -0.5°C
Q&A

FAQ

01 What is the average temperature in Toronto in December?
+

The average is -0.5°C, with a high of 2°C and a low of -3°C.

02 What is Toronto like to visit in December?
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It is winter in Toronto, which is cool — bring warm clothes.

03 Does it rain often in Toronto during December?
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Average rainfall is 66mm, which is moderate.

04 What should I pack for Toronto in December?
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Heavy winter coat, thermal layers, gloves, hat; Insulated waterproof boots.

05 Is December a peak travel season for Toronto?
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It is closer to off-season, with more reasonable prices and fewer crowds.

06 Where does this climate data come from?
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Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.

Sources
Open-Meteo Archive 2014-2023
Updated
2026-04-17

Climate normals are averages; individual years vary.