December weather forecastOutremont, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Outremont, Canada, with an average temperature ranging between min -7.7°C (18.1°F) and max -2.2°C (28°F).Temperature
With the beginning of December, the average high-temperature shows a decrease, transitioning from a wintry 4.8°C (40.6°F) in November to a freezing cold -2.2°C (28°F). The average temperature during December nights is registered at a still subzero cold -7.7°C (18.1°F).Humidity
The average relative humidity in December in Outremont is 86%.Rainfall
In Outremont, Canada, during December, the rain falls for 8 days and regularly aggregates up to 63mm (2.48") of precipitation. In Outremont, Canada, during the entire year, the rain falls for 145.2 days and collects up to 772mm (30.39") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.1 days. Throughout December, 161mm (6.34") of snow is accumulated. In Outremont, Canada, during the entire year, snow falls for 63.4 days and aggregates up to 895mm (35.24") of snow.Daylight
December has the shortest days of the year in Outremont, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:12 pm. On the last day of December, in Outremont, sunrise is at 7:34 am and sunset at 4:21 pm EST.
Sunshine
The average sunshine in December in Outremont is 3.2h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Outremont, Canada
- Average high temperature in December: -2.2°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (16.2°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in December
Outremont, Canada
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in December
Outremont, Canada
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is April (14.4km/h).
The calmest months (with the lowest average wind speed) are July, August and September (11km/h).
Average humidity in December
Outremont, Canada
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in December
Outremont, Canada
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is May (78mm).
The driest months (with the least rainfall) are February and September (54mm).
Average rainfall days in December
Outremont, Canada
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Outremont, Canada
- Average snowfall in December: 161mm
The month with the highest snowfall is January (242mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Outremont, Canada
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Outremont, Canada
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Outremont, Canada
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Outremont, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Outremont, Canada
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Outremont, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).





