December weather forecastBoucherville, Canada
December
Weather in December
December, the first month of the winter in Boucherville, is also a subzero cold month, with an average temperature varying between -2.3°C (27.9°F) and -7.7°C (18.1°F).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a wintry 5°C (41°F) in November to a freezing cold -2.3°C (27.9°F). Boucherville records a mean low-temperature of -7.7°C (18.1°F) in December.Humidity
In Boucherville, the average relative humidity in December is 86%.Rainfall
In Boucherville, in December, during 8.5 rainfall days, 75mm (2.95") of precipitation is typically accumulated. In Boucherville, during the entire year, the rain falls for 159.6 days and collects up to 875mm (34.45") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Boucherville, in December, during 15.5 snowfall days, 216mm (8.5") of snow is typically accumulated. In Boucherville, during the entire year, snow falls for 77.9 days and aggregates up to 1133mm (44.61") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:20 pm EST.
Sunshine
In Boucherville, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Boucherville, Canada, are January, February 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 exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Boucherville, Canada
- Average high temperature in December: -2.3°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
Average pressure in December
Boucherville, 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
Boucherville, Canada
- Average wind speed in December: 13km/h
The windiest months (with the highest average wind speed) are February and April (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Boucherville, 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 (74%).
Average rainfall in December
Boucherville, Canada
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (56mm).
Average rainfall days in December
Boucherville, Canada
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Boucherville, Canada
- Average snowfall in December: 216mm
The month with the highest snowfall is January (295mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Boucherville, Canada
- Average snowfall days in December: 15.5 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
Boucherville, 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 6min
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 42min).
Average sunshine days in December
Boucherville, Canada
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Boucherville, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Boucherville, Canada
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Boucherville, 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).
