December weather forecastBlackfalds, Canada
December
Weather in December
December, the first month of the winter in Blackfalds, is also a subzero cold month, with an average temperature fluctuating between -12.8°C (9°F) and -6.3°C (20.7°F).Temperature
Blackfalds's coldest month, December, registers temperatures that range from a high of -6.3°C (20.7°F) to a low of -12.8°C (9°F).Humidity
In December, the average relative humidity is 85%.Rainfall
February and December are months with the least rain when the rain falls for 2.7 days and typically aggregates up to 11mm (0.43") of rain.Snowfall
January through May, September through December are months with snowfall in Blackfalds, Canada. In December, it is snowing for 11.3 days. Throughout December, 79mm (3.11") of snow is accumulated. In Blackfalds, during the entire year, snow falls for 80.8 days and aggregates up to 686mm (27.01") of snow.Daylight
December has the shortest days of the year in Blackfalds, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:23 am and sunset at 4:25 pm. On the last day of December, sunrise is at 8:45 am and sunset at 4:31 pm MST.
Sunshine
The average sunshine in December is 4.7h.UV index
In Blackfalds, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blackfalds, Canada
- Average high temperature in December: -6.3°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is December (-6.3°C).
- Average low temperature in December: -12.8°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-13.6°C).
Average pressure in December
Blackfalds, Canada
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1010.4mbar).
Average wind speed in December
Blackfalds, Canada
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Blackfalds, Canada
- Average humidity in December: 85%
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is May (64%).
Average rainfall in December
Blackfalds, Canada
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is June (81mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in December
Blackfalds, Canada
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Blackfalds, Canada
- Average snowfall in December: 79mm
The month with the highest snowfall is November (116mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Blackfalds, Canada
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Blackfalds, Canada
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Blackfalds, Canada
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in December
Blackfalds, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Blackfalds, Canada
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Blackfalds, Canada
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April and December (8km).
