December weather forecastDollard-Des Ormeaux, Canada

December

Weather in December

December, the first month of the winter in Dollard-Des Ormeaux, 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 -2.2°C (28°F).

Temperature

The decrease of average high-temperatures is mild in December, with a decline from an icy 5°C (41°F) in November to a subzero cold -2.2°C (28°F). Dollard-Des Ormeaux's nighttime temperature in December drops to an average of -7.8°C (18°F).

Humidity

In December, the average relative humidity in Dollard-Des Ormeaux, Canada, is 86%.

Rainfall

In Dollard-Des Ormeaux, in December, during 7.8 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Dollard-Des Ormeaux, during the entire year, the rain falls for 138.5 days and collects up to 712mm (28.03") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Dollard-Des Ormeaux. In Dollard-Des Ormeaux, in December, snow falls for 11.4 days, with typically accumulated 135mm (5.31") of snow. Throughout the year, there are 56.7 snowfall days, and 769mm (30.28") of snow is accumulated.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:13 pm. On the last day of December, in Dollard-Des Ormeaux, sunrise is at 7:35 am and sunset at 4:22 pm EST.

Sunshine

In December, the average sunshine is 3.3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Dollard-Des Ormeaux. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

In December, the average high-temperature and low-temperature in Dollard-Des Ormeaux, Canada, are -2.2°C (28°F) and -7.8°C (18°F) respectively.

In Dollard-Des Ormeaux, Canada, the average relative humidity in December is 86%.

In December, the rain falls for 7.8 days. Throughout December, 59mm (2.32") of precipitation is accumulated.

In Dollard-Des Ormeaux, in December, during 11.4 snowfall days, 135mm (5.31") of snow is typically accumulated.

The month with the shortest days in Dollard-Des Ormeaux is December, with an average of 8h and 48min of daylight.

The average day length in December is 8h and 47min.

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:13 pm. On the last day of the month, in Dollard-Des Ormeaux, sunrise is at 7:35 am and sunset at 4:22 pm EST.

The average sunshine duration in December is 3.3h.

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Dollard-Des Ormeaux.

In Dollard-Des Ormeaux, Canada, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dollard-Des Ormeaux, Canada

  • Average high temperature in December: -2.2°C

The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (-5.8°C).

  • Average low temperature in December: -7.8°C

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).

Average pressure in December
Dollard-Des Ormeaux, Canada

  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).

Average wind speed in December
Dollard-Des Ormeaux, Canada

  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).

Average humidity in December
Dollard-Des Ormeaux, 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 (75%).

Average rainfall in December
Dollard-Des Ormeaux, Canada

  • Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the least rainfall) is November (48mm).

Average rainfall days in December
Dollard-Des Ormeaux, Canada

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Dollard-Des Ormeaux, Canada

  • Average snowfall in December: 135mm

The month with the highest snowfall is February (208mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Dollard-Des Ormeaux, Canada

  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Dollard-Des Ormeaux, 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 18min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in December
Dollard-Des Ormeaux, Canada

  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (12.2 days).

Average UV index in December
Dollard-Des Ormeaux, 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
Dollard-Des Ormeaux, Canada

  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December
Dollard-Des Ormeaux, 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).