Banff
Canada
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Banff, Canada

December, the first month of the winter, in Banff, is still a freezing cold month, with average temperature varying between -13.3°C (8.1°F) and -5.2°C (22.6°F).

Temperature

December is the coldest month, with an average high-temperature of -5.2°C (22.6°F) and an average low-temperature of -13.3°C (8.1°F).

Humidity

The most humid month in Banff is December, with an average relative humidity of 66%.

Rainfall

The month with the least rainfall is December when the rain falls for 0.9 days and typically collects 1.7mm (0.1") of precipitation.

Snowfall

January through December are months with snowfall. In Banff, during December, snow falls for 9.3 days and regularly aggregates up to 274mm (10.8") of snow. Throughout the year, in Banff, there are 63.9 snowfall days, and 1912mm (75.3") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h of daylight.

Sunshine

Months with the least sunshine in Banff are January, November and December, with an average of 2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Banff?

The coldest month in Banff, Canada, is December, with an average high-temperature of -5.2°C (22.6°F) and an average low-temperature of -13.3°C (8.1°F).

What is the temperature in December in Banff?

The average high-temperature, in December, in Banff, Canada, is -5.2°C (22.6°F), while the average low-temperature is -13.3°C (8.1°F).

What is the most humid month in Banff?

December is the most humid month in Banff, Canada, with an average relative humidity of 66%.

What is the average humidity in December in Banff?

The average relative humidity in December is 66%.

How much does it rain in Banff in December?

In Banff, Canada, during December, the rain falls for 0.9 days and regularly aggregates up to 1.7mm (0.1") of precipitation.

What is the driest month in Banff?

December is the month with the least rainfall. Rain falls for 0.9 days and accumulates 1.7mm (0.1") of precipitation.

How many days does it snow in December in Banff?

In Banff, Canada, in December, snow falls for 9.3 days, with typically accumulated 274mm (10.8") of snow.

What is the month with the shortest days in Banff?

The month with the shortest days in Banff, Canada, is December, with an average of 8h of daylight.

How many hours of daylight does Banff have in December?

The average length of the day in December in Banff is 8h.

What is the month with the least sunshine in Banff?

Months with the least sunshine in Banff, Canada, are January, November and December, with an average of 2h of sunshine.

How long on average sun shines in December in Banff?

In Banff, the average sunshine in December is 2h.

What are the months with the lowest UV index in Banff?

Months with the lowest UV index in Banff are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Banff?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - Banff, Canada
  • Average high temperature in December: -5.2°C

Warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is December (-5.2°C).

  • Average low temperature in December: -13.3°C

The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is December (-13.3°C).

Average humidity in December - Banff, Canada
  • Average humidity in December: 66%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is June (39.6%).

Average rainfall in December - Banff, Canada
  • Average rainfall in December: 1.7mm

The wettest month (with the highest rainfall) is July (67.8mm).
The driest month (with the lowest rainfall) is December (1.7mm).

Average rainfall days in December - Banff, Canada
  • Average rainfall days in December: 0.9 days

The month with the highest number of rainy days is July (16 days).
Months with the lowest number of rainy days are January and December (0.9 days).

Average snowfall in December - Banff, Canada
  • Average snowfall in December: 274mm

The month with the highest snowfall is November (308mm).
The month with the lowest snowfall is July (1mm).

Average snowfall days in December - Banff, Canada
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is January (9.4 days).
The month with the lowest number of snowfall days is July (0.1 days).

Average daylight in December / Average sunshine in December - Banff, Canada
  • Average daylight in December: 8h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 2h

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 2).

Average UV index in December - Banff, Canada
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 1).