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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





