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
Boisbriand's December weather shows a moderate shift in high-temperatures, falling from November's cold 4.7°C (40.5°F) to a subzero cold -2.5°C (27.5°F). Boisbriand, in the month of December, anticipates a consistent average low-temperature of -8°C (17.6°F).Humidity
In Boisbriand, the average relative humidity in December is 86%.Rainfall
In Boisbriand, in December, it is raining for 6.6 days, with typically 24mm (0.94") of accumulated precipitation. In Boisbriand, during the entire year, the rain falls for 117.7 days and collects up to 337mm (13.27") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 10.7 days. Throughout December, 62mm (2.44") of snow is accumulated. Throughout the year, there are 53.2 snowfall days, and 316mm (12.44") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.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 4:21 pm EST.
Sunshine
In Boisbriand, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Boisbriand have in December?
When is the lowest UV index in Boisbriand?
What is the UV index reading in December?
Average temperature in December
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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
Boisbriand, 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).
