Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
With December's onset, the average high-temperature recedes from November's cold 4.7°C (40.5°F) to a subzero cold -2.5°C (27.5°F). Nighttime temperatures hover around an average low of -8°C (17.6°F) in December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Deux-Montagnes, during December, the rain falls for 6.6 days and regularly aggregates up to 24mm (0.94") of precipitation. 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 Deux-Montagnes. In Deux-Montagnes, in December, during 10.7 snowfall days, 62mm (2.44") of snow is typically accumulated. Throughout the year, there are 53.2 snowfall days, and 316mm (12.44") of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Deux-Montagnes.On the first day of December, sunrise is at 7:16 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:22 pm EST.
Sunshine
In Deux-Montagnes, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Deux-Montagnes are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Deux-Montagnes?
What is the average humidity in December in Deux-Montagnes?
How many days does it rain in December in Deux-Montagnes?
How much does it snow in Deux-Montagnes in December?
What is the month with the shortest days in Deux-Montagnes?
How many hours of daylight does Deux-Montagnes have in December?
When is the sunrise / sunset in December in Deux-Montagnes?
How many hours of sunshine does Deux-Montagnes have in December?
What are the months with the lowest UV index in Deux-Montagnes?
How high is the UV index in December in Deux-Montagnes?
Average temperature in December
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, Canada
- Average daylight in December: 8h and 5min
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 2min
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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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
Deux-Montagnes, 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).
