December weather forecastLaval-Ouest, Canada
December
Weather in December
December, the first month of the winter in Laval-Ouest, is still a freezing cold month, with an average temperature fluctuating between -2.5°C (27.5°F) and -8°C (17.6°F).Temperature
December involves a decrease in temperature, down from a wintry 4.7°C (40.5°F) in November to a subzero cold -2.5°C (27.5°F). During the month of December, Laval-Ouest's nighttime temperature lowers to an average of -8°C (17.6°F).Humidity
The average relative humidity in December in Laval-Ouest is 86%.Rainfall
In Laval-Ouest, in December, during 6.6 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 117.7 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Laval-Ouest. In Laval-Ouest, in December, during 10.7 snowfall days, 62mm (2.44") of snow is typically accumulated. In Laval-Ouest, during the entire year, snow falls for 53.2 days and aggregates up to 316mm (12.44") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:22 pm EST.
Sunshine
In Laval-Ouest, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Laval-Ouest are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Laval-Ouest, Canada
- Average high temperature in December: -2.5°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in December: -8°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-13.4°C).
Average pressure in December
Laval-Ouest, 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
Laval-Ouest, Canada
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is April (14.5km/h).
The calmest months (with the lowest average wind speed) are July and August (10.7km/h).
Average humidity in December
Laval-Ouest, Canada
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Laval-Ouest, Canada
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is October (37mm).
The driest months (with the least rainfall) are January and September (23mm).
Average rainfall days in December
Laval-Ouest, Canada
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Laval-Ouest, Canada
- Average snowfall in December: 62mm
The month with the highest snowfall is February (84mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Laval-Ouest, Canada
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Laval-Ouest, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Laval-Ouest, Canada
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is June (13.9 days).
Average UV index in December
Laval-Ouest, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Laval-Ouest, Canada
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Laval-Ouest, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).





