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
December is the coldest month, with an average high-temperature of -8.1°C (17.4°F) and an average low-temperature of -15.4°C (4.3°F).Humidity
The average relative humidity in December is 90%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 166.4 rainfall days, and 589mm (23.19") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 19 days. Throughout December, 177mm (6.97") of snow is accumulated. In Banff, during the entire year, snow falls for 133.1 days and aggregates up to 1671mm (65.79") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of December in Banff, sunrise is at 8:25 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 8:46 am and sunset at 4:45 pm MST.
Sunshine
January and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
What is the coldest time of year?
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Banff, Canada
- Average high temperature in December: -8.1°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is December (-8.1°C).
- Average low temperature in December: -15.4°C
The month with the highest average low temperature is July (6°C).
The coldest month (with the lowest average low temperature) is February (-15.9°C).
Average pressure in December
Banff, Canada
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is June (1011.7mbar).
Average wind speed in December
Banff, Canada
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is January (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in December
Banff, Canada
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Banff, Canada
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is June (116mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in December
Banff, Canada
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is June (22.5 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in December
Banff, Canada
- Average snowfall in December: 177mm
The month with the highest snowfall is April (324mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Banff, Canada
- Average snowfall days in December: 19 days
The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Banff, Canada
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Banff, Canada
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is June (4.3 days).
Average UV index in December
Banff, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, October and November (UV index 1).
Average cloud cover in December
Banff, Canada
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Banff, Canada
- Average visibility in December: 7km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).
