Montreal Weather in December: Climate, Temperature & Travel Tips
Avg -4.0°C · 94mm rain — December is winter in Montreal.
- Avg high
- -0.9 °C
- Avg low
- -7.2 °C
- Avg
- -4.0 °C
- Precipitation
- 94 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
December in Montreal, Canada brings winter conditions: average temperature -4.0°C, average high -0.9°C, average low -7.2°C. Monthly rainfall averages 94mm, 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).
Colour = avg temperature · blue = cool · orange = warm
- 1 July 22.0°C
- 2 August 21.2°C
- 3 June 19.2°C
- 1 January -7.4°C
- 2 February -6.4°C
- 3 December -4.0°C
FAQ
01 What is the average temperature in Montreal in December? +
The average is -4.0°C, with a high of -1°C and a low of -7°C.
02 What is Montreal like to visit in December? +
It is winter in Montreal, which is cool — bring warm clothes.
03 Does it rain often in Montreal during December? +
Average rainfall is 94mm, which is moderate.
04 What should I pack for Montreal in December? +
Heavy winter coat, thermal layers, gloves, hat; Insulated waterproof boots.
05 Is December a peak travel season for Montreal? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17