December weather forecastLavaltrie, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Lavaltrie, Canada, with an average temperature varying between -2.5°C (27.5°F) and -7.9°C (17.8°F).Temperature
December indicates a shift in the average high-temperature, from November's icy 4.7°C (40.5°F) to a subzero cold -2.5°C (27.5°F). During the month of December, Lavaltrie anticipates a mean low-temperature of -7.9°C (17.8°F).Humidity
The average relative humidity in December in Lavaltrie, Canada, is 86%.Rainfall
In Lavaltrie, in December, it is raining for 10.1 days, with typically 72mm (2.83") of accumulated precipitation. In Lavaltrie, during the entire year, the rain falls for 158.6 days and collects up to 823mm (32.4") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lavaltrie, during December, snow falls for 14.2 days and regularly aggregates up to 228mm (8.98") of snow. In Lavaltrie, during the entire year, snow falls for 74.4 days and aggregates up to 1076mm (42.36") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Lavaltrie.On the first day of December in Lavaltrie, sunrise is at 7:14 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:18 pm EST.
Sunshine
The average sunshine in December in Lavaltrie is 3.6h.UV index
The months with the lowest UV index in Lavaltrie, Canada, are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 1 transforms into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lavaltrie, Canada
- Average high temperature in December: -2.5°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 (-6.2°C).
- Average low temperature in December: -7.9°C
The month with the highest average low temperature is July (15.4°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in December
Lavaltrie, Canada
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in December
Lavaltrie, Canada
- Average wind speed in December: 12.1km/h
The windiest month (with the highest average wind speed) is April (14km/h).
The calmest months (with the lowest average wind speed) are July, August and September (10.7km/h).
Average humidity in December
Lavaltrie, 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 (73%).
Average rainfall in December
Lavaltrie, Canada
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is October (81mm).
The driest month (with the least rainfall) is September (52mm).
Average rainfall days in December
Lavaltrie, Canada
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Lavaltrie, Canada
- Average snowfall in December: 228mm
The month with the highest snowfall is January (278mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lavaltrie, Canada
- Average snowfall days in December: 14.2 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lavaltrie, Canada
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Lavaltrie, Canada
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Lavaltrie, 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 and December (UV index 1).
Average cloud cover in December
Lavaltrie, Canada
- Average cloud cover in December: 62
The months with the most cloud cover are January and February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Lavaltrie, 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 and February (7km).
