December weather forecastLaval, Canada
December
Weather in December
December, the first month of the winter in Laval, is also a subzero cold month, with temperature in the range of an average low of -7.8°C (18°F) and an average high of -2.5°C (27.5°F).Temperature
December brings a decrease in the average high-temperature, shifting from a wintry 4.8°C (40.6°F) in November to a freezing cold -2.5°C (27.5°F). In December, Laval records an average nighttime temperature of -7.8°C (18°F).Humidity
In December, the average relative humidity in Laval is 86%.Rainfall
In December, in Laval, Canada, the rain falls for 8.6 days. Throughout December, 67mm (2.64") of precipitation is accumulated. Throughout the year, in Laval, there are 146.6 rainfall days, and 778mm (30.63") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Laval, Canada, in December, during 12.9 snowfall days, 185mm (7.28") of snow is typically accumulated. In Laval, during the entire year, snow falls for 65.4 days and aggregates up to 975mm (38.39") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:12 pm. On the last day of December, in Laval, Canada, sunrise is at 7:35 am and sunset at 4:21 pm EST.
Sunshine
In December, the average sunshine in Laval is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Laval, Canada
- Average high temperature in December: -2.5°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in December: -7.8°C
The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in December
Laval, 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, Canada
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.8km/h).
Average humidity in December
Laval, 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 (74%).
Average rainfall in December
Laval, Canada
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is October (78mm).
The driest month (with the least rainfall) is September (49mm).
Average rainfall days in December
Laval, Canada
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Laval, Canada
- Average snowfall in December: 185mm
The month with the highest snowfall is February (263mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Laval, Canada
- Average snowfall days in December: 12.9 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
Laval, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Laval, Canada
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Laval, 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 and December (UV index 1).
Average cloud cover in December
Laval, 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, 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).
